The scrotum is a two-chambered sac at the root of the penis. The distance from the body and surface area can be altered to increase or decrease the _____.

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Anatomy refers to the internal and external structures of the body and their physical relationships, whereas physiology refers to the study of the functions of those structures.


1. The scrotum is a two-chambered sac at the root of the penis. The distance from the body and surface area can be altered to increase or decrease the _____.