Michael notices that sometimes his testicles lie far from his body, and sometimes they are positioned much closer. What is causing this change?
A lack of hydration is causing tissue to tighten.
His body going through the typical changes of puberty.
His scrotum is maintaining temperature homeostasis.
His testes are producing more or less androgen at different times.
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His scrotum is maintaining temperature homeostasis.
The position of the testicles in relation to the body can change in response to temperature variations to help regulate the temperature of the testes for optimal sperm production. When the testicles are closer to the body, they are trying to stay warm, and when they are further away, they are trying to cool down.