The correct answer is B. controlling the flow of blood to the skin
The more blood there is, the more heat there will be because of blood. An easy example is when someone's ears get all red due to a blood rush to the ears. At that time, ears are also very warm.
Only one sperm cell makes it to the ovum
<span>B. you’ve lost weight before but gained it back due to lack of physical activity
This is cause by personal lack of activity
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In the middle part of the activity pyramid
