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dalvyx [7]
3 years ago
14

The primary purpose of heart valves is to

Health
2 answers:
Umnica [9.8K]3 years ago
8 0

Answer:

A

Explanation:

i'm not sure but i think it is A

Svet_ta [14]3 years ago
8 0

Answer:

prevent blood from flowing backward

Explanation:

think of the heart as the panama canal. There are four chambers, the atria and the ventricles. It goes from right atrium to right ventricle, and then to the lungs, where it gets oxygen, and then into the left atrium and finally into the left ventricle which pumps the blood through the aorta into the systemic circulation. Valves prevent backflow of the blood, they open and close at difference stages of the heart cycle.

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LenKa [72]
I am on the same subject and stuck at this answer. 
3 0
3 years ago
Learning task 1: find a words from the puzzle about health related fitness. ​
topjm [15]

The words from the puzzle: Write your answer in your notebook,

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M

Answer: Body, strength, flexibility, minimum, balance, emotional

Explanation:

Body, strength, flexibility, minimum, balance, emotional are the words from the puzzle which are related to fitness and health.

Body, strength, and flexibility are words often used when it comes to gym and fitness. Minimum, balance, and emotional are the words that are often used when it comes to health in fitness.

5 0
3 years ago
Which type of muscular contraction is defined as a contraction which moves against a constant resistance? isometric contraction
Naily [24]
The answer is isometric contraction. Isometric contractions generate force without changing the length of the muscle.

Hope this helps! :)
6 0
2 years ago
Steroids use can have several physical consequences what effect can use of steroids have on me
Sunny_sXe [5.5K]

Answer:

/

Explanation:

Steroid use has been associated with high blood pressure;41 decreased function of the heart's ventricles;23,41,42 and cardiovascular diseases such as heart attacks,43 artery damage,44 and strokes,45,46 even in athletes younger than 30.

7 0
2 years ago
It is often hard to practice self-control when eating in the company of others because people are greatly influenced by which of
emmasim [6.3K]

Answer: Hunger

Explanation:

7 0
3 years ago
Read 2 more answers
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