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Setler [38]
3 years ago
10

Proteins have many important functions and make up more than ___ of the body’s weight.

Health
2 answers:
Iteru [2.4K]3 years ago
8 0
I don’t know if I’m right but I think B
rewona [7]3 years ago
5 0
I believe it’s B:30% I read some books and basically said that the answer is B
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The child survival hypothesis states that if child mortality is reduced, then eventually fertility reduction follows, with the net effect of lower growth of population. In populations living under low socioeconomic conditions, other factors have also been observed.

Explanation:

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PLZ HELP!!! NEED ASAP!!! THANKS!!!
EastWind [94]

Hey there!

The correct option is A. Alcohol

Hope this helps you!

God bless ❤️

xXxGolferGirlxXx

5 0
4 years ago
MARKING POEPLE AS BRIANLIDT
sasho [114]

Answer:

B. Right AV valve

Explanation:

In Human anatomy, cardiac cycle can be defined as a complete heartbeat of the human heart which comprises of sequential alternating contraction and relaxation of the atria and ventricles, therefore causing blood to flow unidirectionally (one direction) throughout the human body.

Generally, the cardiac cycle occurs in two (2) stages;

Diastole : in this stage, the ventricles is relaxed and would be filled with blood.

Systole: at this stage, the muscles contracts and thus, allow blood to be pushed through the atria.

Generally, the right atrioventricular valve (AV) is also referred to as the tricuspid valve and is located on the right dorsal side of the human heart. The right atrioventricular valve (AV) comprises of three (3) leaflets (flaps) which opens and closes in order to allow for the flow of blood from the right atrium of the human heart to the right ventricle. Also, the right atrioventricular valve is saddled with the responsibility of preventing blood from flowing backward in the mammalian heart.

Hence, the valve which is between the Right Atrium and ventricle is the right atrioventricular valve (AV).

7 0
3 years ago
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