DOES EXERCISE HELP PREVENT A HEART ATTACK?

can somebody please help me answer this question rn like i need it and it’s environmental science btw

Yes

According to the National Institutes of Health a half hour of moderate aerobic exercise daily can decrease risk of heart attack by up to 50%.

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Complete the passage to describe the link between photosynthesis and respiration.

The reactants for cellular respiration are the ____
for photosynthesis. The products of cellular respiration are the ____
of photosynthesis.

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Which of the following is found in animal cells, but not plant cells?
lysosome
vacuole
mitochondria
endoplasmic reticulum

a cell is placed in solution which has the same solute concentration as the inside of the cell isotonic. because the concentration is the same on both sides of the membrane which direction will the water move via osmosis

A scientist claims that he has protected animal test subjects from a newly mutated virus using an experimental vaccine.The experimental vaccine was injected into five animal test subjects. The scientist also injected a placebo vaccine into five other animal test subjects.One month later, all of the test subjects were exposed to the mutated virus. The subjects that received the vaccination showed no sign of the disease and blood tests confirmed the presence of antibodies against the disease, but the subjects given the placebo developed symptoms of this condition.Why did one group have a placebo injected before being exposed to the virus?A) They were part of the experimental groupB) They would be protected from the diseaseC) They would be exposed to a weaker form of the virusD) They were part of the control group

The end result of meiosis is:
O Four diploid cells that are genetically different
O Four haploid cells that are genetically different
O Two diploid cells that are genetically identical
O Two haploid cells that are genetically different

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Food is moved through the esophagus into the stomach by
involuntary muscle contractions called?

The most damaging effect of Hurricane Sandy was the fires. Question 4 options:

True

False

list the main advantage of having a mechanical heart ​

Where is the chemical energy stored in ATP?
o In the chemical bonds between the first and second phosphate
o In the chemical bonds between the second and third phosphate
o In the chemical bonds between adenine and ribose
o ATP does not store energy
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Anatomy: I need help!! If you know the answer pls let me know!! It would be greatly appreciated

What are some characteristics that protists and fungi both have that make them eukaryotes?

Recovering Ecosystems Worksheet Section 1: Select the Kitakami River region, the Abukuma Highlands, or Japan's coastal habitat as the ecosystem you want to help with recovery. List the main problem faced by this ecosystem as described in the lesson. Then list at least two sub-problems that need to be considered to solve the main problem. List the sub-problems in order of most to least important. In the rationale column, explain why you placed your sub-problems in the order you selected. Main Problem Sub-Problems Rationale Section 2: Conduct internet research on your selected ecosystem to help you generate a list of three criteria and two constraints. Your criteria and constraints should consider relevant factors to the problem, such as costs, reliability, safety (to humans and wildlife), human needs, environmental impact, local biodiversity, and the aesthetics of the area. List the criteria in order of most to least important and assign each to a related sub-problem. In the rationale column, explain why you placed your criteria in the order you selected. Constraints Criteria Rationale Which Sub-Problems does this criteria address? Section 3: For at least one of the sub-problems, propose two solutions based on the information from the lesson and your additional research. In the rationale column, explain how your solution restores the stability and biodiversity of your selected ecosystem. Sub-Problem Proposed Solutions Rationale Section 4: Answer the following analysis questions about your proposed solutions. Describe the ways your proposed solutions decrease the negative effects of habitat destruction and human activity on your selected ecosystem. Describe the costs, safety, and reliability of your proposed solutions, as well as any social, cultural, and environmental impacts your solutions address. Evaluate your proposed solutions for their impact on overall environmental stability and changes. Which solution has more impact? Explain your reasoning for picking one solution over another. How could you refine one of your proposed solutions to further reduce environmental impact and loss of biodiversity while also addressing human needs?

DNA is to T as RNA is to ?

If the endoplasmic reticulum were removed from the cell,which organelle would not be able to function properly, and why

Describe the process of photosynthesis,include what is needed and what is produced.Provide an explanation as to why photosynthesis is needed for plants to maintain homeostasis.

Which of the following best describes all macromolecules?
A. They are organic molecules that all contain carbon.
O
B. They are organic molecules that all contain nitrogen.
O
C. They are inorganic molecules that all contain nitrogen.
6
D. They are inorganic molecules that all contain carbon.

Describe adaptations in the circulatory and neurosensory systems of cephalopods that are particularly valuable for actively swimming, predaceous animals.

Which chemical is released by 2
WBC's that produces a non-specific inflammatory response?

At the end of the Calvin cycle, what molecules have the energy that originally came from light?

Why are flowers brightly colored?

Select the correct answer.
Kelvin's cow is showing signs of poor health. The cow is staying away from the herd and is not alert in its environment. The veterinarian believes that the cow is affected by
some type of infection. He also states that the lack of white blood cells in the cow is making it less resistant to the infection. Which system of Kelvin's cow is not functioning
properly?
А. muscular system
B. endocrine system
C. nervous system
D. circulatory system

construct a written argument to support a claim about the relative
advantages and disadvantages of sexual (meiosis) and asexual reproduction (mitosis
and binary fission)

how does the temperature change with altitude in the troposphere?

2. How are the kelp and the chemosynthetic bacteria of the
hydrothermal vents similar?
A. Both use energy from the sun to make food.
B. Both are primary producers.
C. Both are scavengers.
D. Both use hydrogen sulfide as an energy source.

Which of the following is not characteristic of a behavior?
a.
It can be observed.
b.
It can be recorded.
c.
It can be influenced by the environment.
d.
It can include a person’s thoughts.

10. Which respiratory condition below correctly describes what happens during pneumonia? A. The alveoli become damaged and enlarged . O B. The airways become swollen and inflamed . C. The alveoli in the lungs fill with fluid. D. The airways restrict in response to an invader.

what is meant by locomotor skill​

Which pair of nitrogenous bases will form a bond in a DNA molecule?