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viva [34]
3 years ago
7

How do the body system receive oxygen : A. blood circulation B. Pulmonary circulation

Health
1 answer:
Arlecino [84]3 years ago
8 0
The correct answer is "<span>A. blood circulation" Through cellular respiration, sugar and glucose mix with oxygen and are pumped to every cell in the body through the blood stream.
</span>
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The answer to your question is B, Myosin and actin do not fully detach, so the muscle cannot relax.


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Sunny_sXe [5.5K]
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American business owners believed taking sides in World War I would  lead to less money and trading opportunities. Thus, the correct option is B.

<h3>What is world war?</h3>

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4 0
2 years ago
What are calories? why are they needed?
shepuryov [24]

Answer:

A calorie is a unit of energy. In nutrition, calories refer to the energy people get from the food and drink they consume, and the energy they use in physical activity. Calories are listed in the nutritional information on all food packaging. Many weight loss programs center around reducing the intake of calories.

Explanation:

3 0
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True or false?
iogann1982 [59]

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false

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your plugging your nose not your taste which you cant.

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