Cardiovascular system is also known as the circulatory system.
It's function is to make sure that the circulation of the blood pump by our heart is delivered all throughout our body to be able to give energy and more nutrients that our body needs.
The answer is b wind energy
<span>The reason why the human body shivers when it is could is to
begin warming it up this is a natural reflex of the human body once it drops
below a certain temperature </span>
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The phenotype is the type of trait that can be physically observed in an individual. Examples include hair colour, eye colour or height.
