How was the eustachian tube discovered?

Answers

Answer 1

Valsalva (1704) discovered a muscle for opening the tube, and he presumed that in hearing this muscle would come into action. He described the maneuver that is named after him as a method to expel pus from the tympanic cavity into the external auditory canal.


Related Questions

1. What should we do to be a role model? a 2. How can a person be a pride of a nation? Write your opinion. 3. How can a person affect the society? 4. What are the ways of changing the bad one into good one? 5. Why has the whole world become like a house? 6. Why are nation and its people inseparable?' 7. What are the things we should be careful of ? 8. What are the Spritual Values? Why is it important? 9. Define patience and write a paragraph on it. ​

Answers

Answer:

#1 a role model is some one who is looked uped to whether famous or not

who can be role model  eg: like a father he provide for the family finacially

like  a shop owner they provide customer service and had dificulties but

it through  like a police officer a child can look up them because they protect the citizen and risk theirs live while on duty like a teacher the student learns from them and the teacher also learn from the students like a big sister or brother the parents depend on them to help take care of the younger one when there not around they look up to you

role models can be anywhere and anybody to help or guide through tough times for bigs things or little things  

Explanation:

sorry for the paragraph its my opinion and not sure if it help but it give you an idea

i only answered #1 sorry

What is health?

I need a answer ASAP please

Answers

Health, according to the World Health Organization, is "a state of complete physical, mental and social well-being and not merely the absence of disease and infirmity." A variety of definitions have been used for different purposes over time.

following an injury to his arm, a patient complains that he has lost the ability to flex his elbow and supinate his forearm. you suspect that he has damaged the:

Answers

they have lost there tendons

scientific evidence suggests tobacco may be responsible for __________ cancer deaths.

Answers

tobacco use is responsible for 25% of all cancer deaths globally and linked to at least 20 cancer types

Help!!!
30 points!!
1,2 and 3

Answers

Answer:

C, false, and D :) hope this helped

Explanation:

Answer:

1 is b

2 is false

3 is d

Explanation:

i just did it

how long does it take for ecstacy to leave your urine stream

Answers

Answer:

2-4 days after use in most cases

to eliminate distractions using reps and checks, how long do you need for eye-lead time?

Answers

Answer:

In the city, it should be 12 to 15 seconds, or about 1.5 to 2 city blocks. Assessors can determine eye lead time by watching the driver's glance, asking the driver to periodically describe objects they observe in the distance, and then timing how long it takes to get there.

Explanation:

Safety measures are often taken to avoid accident. To eliminate distractions using reps and checks, how long do you need for eye-lead time is 8-15 seconds.

Safe driving is connoted by REPS. It stands for:

R - recognize hazards

E- eliminate distractions

P- plan ahead

S - Seek Space

Eye lead time is simply known as the time and distance that a driver visually scans ahead of their vehicle.

On the highway, eye lead time can be 20 to 30 seconds.

In the city, eye lead time can be 12 to 15 seconds, or about 1.5 to 2 city blocks.

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what is effective communication?

Answers

Answer:

Answer Below! : )

Explanation:

Effectively communicating ensures that you not only convey your message to someone but also let them know about your feelings and emotions.

Become an engaged listener. When communicating with others, we often focus on what we should say. However, effective communication is less about talking and more about listening. If the person you're talking to is calm, for example, listening in an engaged way will help to calm you, too.

Hope this helps! : )

a nurse is caring for a 55-year-old postoperative client. the client returns to the icu after surgery intubated and mechanically ventilated with a salem sump nasogastric tube, a foley catheter, and a picc line in place. based on the nurse’s knowledge of the most common hospital-acquired infections, which apparatus is most important to remove first?

Answers

your answer would be the catheter

this is because they can cause uti’s especially if they cause the bladder to be unable to empty correctly

hope this helps :)

poor diet is one of the biggest contributors to diabetes. true or false?

Answers

Answer:

I believe that is true.

Explanation:

People with poor diets are likely to become diabetic, for they may have had too many sweets. People that are diabetic eat too much sugar, and then it drops way below normal.

True because people with a poor diet have a higher chance on getting diabetes depending on what they eat

what is the deference between chemical and physical change​

Answers

Answer:

The difference between chemical and physical change is that physical changes an appearance like size, shape and etc. Except, a chemical change is a permanent change and when two things create another substance.

Explanation:

Hi I have 2 questions I need answered if you don't know please don't answer.

1. the word root and combining form that means movement is


2. which muscular function is responsible for transporting food through the digestive system

A. body movement
B. keeping the body stable
C. production of heat
D. moving substances in the body​

Answers

Answer:

easy

Explanation: nasa libro yan

What occurs when the pancreas does not produce enough insulin, or the body does not respond properly to it

Answers

Answer:

You get Type 1 Diabetes when the pancreas does not make enough, or any, insulin. You can get Type 2 Diabetes when the body builds up a resistance to insulin.

Explanation:

Research stuff about the pancreas and the link with diabetes.

How does damage to the lower respiratory system affect the body? Check all that apply.

It prevents oxygen from being delivered to the blood.

It prevents blood from moving to the cells.

It causes muscles surrounding the lungs to not function properly.

It may cause the pH balance of the body to change.

Answers

Answer:

It prevents oxygen from being delivered to the blood

It may casue the pH babalnce of the body to change

Explanation:

Joel had knee surgery and his doctor prescribed opiate painkillers for the pain. Which scenario would most likely lead to prescription drug abuse?

Answers

Answer:

Joel takes other painkillers in addition to the prescribed pain killers.

Explanation:

hope this helps

Which is an uncontrollable risk factor that puts individuals at more risk for contracting a disease?

age
diet
physical fitness
personal hygiene

Answers

Answer:A=Age

Explanation:

Age is an uncontrollable risk factor that puts individuals at more risk for contracting a disease. Therefore, the correct option is A.

A person's susceptibility to various diseases is greatly influenced by age. People's immune systems can decline with age, making them more vulnerable to diseases and infections. Additionally, aging-related changes in the body's organs and systems can increase the likelihood of certain medical disorders. For example, older individuals are more prone to diseases such as pneumonia, flu, and other chronic diseases.

Therefore, the correct option is A.

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Your question is incomplete, most probably the complete question is:

Which is an uncontrollable risk factor that puts individuals at more risk for contracting a disease?

agedietphysical fitnesspersonal hygiene

Lena lives with her mother, father, and four sisters. Lena's family is an example of

A. a blended family
B.a multi-generational family
C. an extended family
D. a nuclear family

Answers

Answer:

A. a blended family

Explanation:

Lena family is an example of a nuclear family.

Nuclear family refers to the core members of a family, usually parents and children.

What is nuclear family?A group of people who are united by ties of partnership and parenthood and consisting of a pair of adults and their socially recognized children. It is in contrast to a single-parent family, the larger extended family, or a family with more than two parents.Individuals are part of two nuclear families in their lives: the family of origin in which they are offspring, and the family of procreation in which they are a parent.

What are the benefits of having a family?Improves Mental Health.Helps Children Perform Well Academically.Lowers Risk Of Behavioral Problems.Boosts Self-Confidence.Helps Kids Learn Future Parenting Skills.Teaches Effective Conflict Resolution.

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What does the success of your fitness program depend on?
FITT principles
weight
your goals
your age

Answers

Answer:

FITT principles

Explanation:

F.I.T.T. stands for frequency, intensity, time, and type of exercise. These are the four elements you need to create, to create workouts that fit your goals and fitness level.

hope i helped

What are the 4 types of vertebrae in the human body

Answers

lumbar vertebrae, thoracic vertebrae, cervical vertebrae i dont know the last one

hi minavri pls comment

Answers

Answer:

?

Explanation:

Like many sophomores, Miguel initially struggled with organic chemistry when he tried to learn everything on his own. On the advice of a friend, he joined a study group that met three days a week to work on homework problems and study for exams together. It took a lot of effort, but Miguel never missed a study group, and all the hard work paid off when he got an A- in the class. To reward himself, Miguel went to a concert after the semester was over. This is an example of: _______

Answers

Answer: Determination

Explanation: It took a lot of work and effort for Miguel to meet up and learn the material. Because of how much he tried, his hard work ended up paying off.

Name
Date
Health Care Facilities and Agencies
Directions: Read the Chapter: Health Care Systems in the Diversified Health Occupations
textbook and answer the following questions,
1.
Place the name of the type of health care facility beside each description.
تعرفه لسه ه ه ن مره
provide assistance and care for mainly elderly patients.
b.
provide special care for accidents or sudden illness.
deal with mental disorders and disease.
d
health centers are located in large companies or industries.
e
offices are usually owned by one or more dentists.
f.
perform special diagnostic tests.
provide care in a patient's home.
h.
provide physical, occupational, and other therapies.
Hospitals are classified into four types depending on the sources of income received. List the four
(4) main types.
1.
2.
List four (4) services offered by medical offices.
3.
.
List four (4) examples of services that can be provided by home health care agencies.
4.
.
Identify four (4) services offered by school health services.
5.
An international agency sponsored by the United Nations is the
6.
A national agency that deals with health problems in America is the
7.
Another national organization that is involved in the research of disease is the
8.
A federal agency that establishes and enforces standards that protect workers from job-relate
injuries and illnesses is the
9.
List four (4) services that can be offered by State and local health departments.

Answers

Answer:

s

Explanation:

3 6

h89

who has tourettes or knows about tourettes​

Answers

Answer:

I know about Tourette but I don't have it.

Explanation:

Hi, you probably don't recognize me from my user name, but I can assure you I am firered21 so I know what it is because you told me.

Also I answered this question for the points, since I have to start all over again. Do you think you can mar me brainliest please (we can talk more in comments if you'd like)

Which process only occurs in the lower respiratory system?

Answers

Answer:

Lower respiratory tract anatomy

Explanation:

The lower respiratory system, or lower respiratory tract, consists of the trachea, the bronchi and bronchioles, and the alveoli, which make up the lungs. These structures pull in air from the upper respiratory system, absorb the oxygen, and release carbon dioxide in exchange.

This term describes organisms that may have one cell or many cells.

Answers

Answer:

Unicellular organisms

Explanation:

Unicellular organisms are made up of only one cell that carries out all of the functions needed by the organism, while multicellular organisms use many different cells to function. Unicellular organisms include bacteria, protists, and yeast.

PLS HELP URGENT!!!!!!​

Answers

Answer:

1 answer

Explanation:

media's work to questing the people...... and different type of questions as media take a lot of

interview to all the people like celebrity prime minister here work to take session of media and then they can viral the interview with a lot of question sometimes..... some question are annoying but still they are manage it

Which of the following may be found in the epidermis?

hair follicles

fat cells

sweat glands

warts

Answers

hair follicles, sweat glands, warts !!!

Once the impulse reaches the muscle, _(ALSO FOUND IN MILK)

Answers

Muscle Contraction 101 Action Potential (AP) in the (ORGAN) conducts from motor neurons to skeletal musde. Once the Impulse reaches the muscle, (ALSO FOUND IN MILK) is released from the storage area 12 WORDS). Transported by T- tubules, calcium binds to (REGULATORY PROTEIN) resulting in myosin sites on actin becoming available. The globular heads on (CONTRACTILE PROTEIN) bind to actin with the energy of (CURRENCY IN CELL). This connection is called a (GOLDEN GATE IS ONE). When the myosin heads “disconnect” from actin and the distance from 2-line to Z-line decreases, it is called the (FORCEXDISTANCE/TIME + STROKE). The act of how the muscle contracts is known as the (“THEORY”), 3 conditions that must be present for muscle contraction to occur

in an adult, the spinal cord ends at which vertebra?

Answers

Answer:

In adults, the cord terminates at the level of L1-L2. Thus the cord spans within 20 bony vertebrae. In a child, it terminates at the upper border of L3. Each of these segments innervates a dermatome.

Explanation:

found it on goo oo ll   reee

the spinal cord is set at a level of L1-L2

select the correct health-related component of fitness​

Answers

Answer:

The 5 components that make up total fitness are:

Cardiovascular Endurance.

Muscular Strength.

Muscular endurance.

Flexibility.

Body Composition.

Explanation:

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Jaden runs in a circle at constant speedRadius is 30m. Time is 90s. What is the speed? PLEASE HELP! I NEED EXAMPLES! GIVING POINTS :)!Write 4-5 sentences about this image. How can a heart rate per minute be determined during a workout?A: Count the pulse in the thumb for 15 seconds by pressing the index finger and thumb together, then multiply by 4.B: Place the thumb over the heart, count the pulse for 6 seconds, then multiply by 10.C: Place the index and middle finger on the base of your neck, count the pulse for 10 seconds, then multiply by 6.D: Place your thumb on your palm of your opposite hand, count the pulse for 10 seconds, then multiply by 6. the product of two rational numbers is 9.6 if one rational number is 66/7. find the other rational number 5. How many total atoms are in one molecule of NH3?4 atoms1 atom2 atoms3 atoms What is the least common denominator of 1/2 and 17/20 Which statement describes a shortcoming of Rutherfords model of the atom?A.It incorrectly placed most of the atoms mass in the nucleus.B.It did not explain how electrons behaved and why they dont collide with the nucleus.C.It did not account for the fact that atoms have equal numbers of protons and electrons. Which of these factors are responsible for the data shown on the graph? Check all that apply. increased usage of machines for farmingdecline in population increase in industrializationdecline in common land for farming fewer nonfarm jobs available Answer.-Why is Democritus important with regard to atomic theory?-Daltons atomic theory was the first:-What subatomic particle did JJ Thomson discover?-In 1913, Neils Bohr proposed a new atomic model known as the _________ model, which is patterned after the solar system.- List the 4 principles of Bohrs model:a. b. c. - In 1926, Erwin Erwin Schrdinger used mathematical equations to describe the likelihood of finding an ________ in a certain position. This atomic model is known as the _________________________ model of the atom.-In 1932, James Chadwick discovered the ____________.-Since 1932, the atomic theory has been further enhanced by the concepts that protons and neutrons are made of even smaller units called _________-Everything in the universe (except energy) is made up of ______________________ .-Therefore everything in the universe is made up of ___________________.-An atom itself is made up of three tiny kinds of particles called subatomic particles: ___________, ________________ and __________________ .The protons and the neutrons make up the ________________ called the nucleus.The _____________________ fly around above the nucleus in a small cloud. The electrons carry a ________________ charge and the protons carry a ___________________charge.In a normal (neutral) atom the number of protons _____________________ the number of electrons. explain the adaptations of the kidney nephrons to their duty(give three at least) Why do we have high and low tides? need an answer asap!! Explain why a hydrogen atom doesnt have a neutron in its nucleus. $43.54 divided by 15.5 = help me plz im failing!!!! Which graph represents the polynomial function f(x)=x3 4x24x16? D. How is the energy produced by respiration stored? What did you find compelling about this painting by Tavernier? which egyptian ruler built many new temples during the new kingdom period? (381)/(324)rationalize the dominator and simplify