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ivanzaharov [21]
3 years ago
8

What role will the sarcoplasmic reticulum play in muscle contraction?

Health
1 answer:
irakobra [83]3 years ago
6 0
<span>As an action potential reaches a muscle cell, it triggers calcium to release from the sarcoplasmic reticulum of the cells. The calcium ions then flow into the cytoplasm and bind to the troponin and tropomyosin molecules in the actin filaments of the muscle cells.</span>
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Correct Answers:

1. Cheating

3. Secret high-risk behaviors

4. STI/STD possibility

Explanation:

1. Cheating makes the other partner have susceptibility to sexual diseases.

2. Monogamy IS possible.

3. Sharing needles is a risk-factor.

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2 years ago
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3 years ago
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azamat
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2 years ago
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Visually (or use diagrams) to indicate which vessels connect to which chambers:
Nikitich [7]

Answer:

The correct answer is :

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Pulmonary vein to the  - left atrium

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Explanation:

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Aorta is the largest that carries blood that is pumped from the left ventricle and carries to the different parts of the body. Whereas superior vena cava is the large vein that comes from the upper body to the right atrium of the heart.

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3 years ago
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sashaice [31]

Answer:

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I have no idea why

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