We live<span> in the Holocene.
Hope this helped :)</span>
The amount of cardiac tissue varies
Answer:
I did this question for a science quiz and the answer is variation trust me I doubled checked on my quiz.
Explanation
Answer:
Yes i<span>t is necessary for the testes to be kept below body temperature.
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Explanation:
Testes contain sperm producing cells which require an optimum temperature of 35.5 C for sperm production. Out side testes body normal temperature is 37C. In order to produce sperm the temperature will below the body average temperatue. thats why in summer the testes hang below the body in scrotum, while in winter it is in close contact with body due to low temperature.