A penis becomes erect because of ____.
A) muscle contractions
B) blood flow into spongy tissue
C) hydrostatic pressure
D) osmosis
E) abdominal wall contractions
Correct Answer:
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Q16: The yolk, which is a component of
Q17: The first cell of a new individual
Q18: The first child conceived using IVF was
Q19: A sexually reproducing animal that can produce
Q20: Mammals nourish their embryos by means of
Q22: Ovulation is triggered by _.
A) high levels
Q23: What is the fate of most of
Q24: What is the order of anatomical structures
Q25: In the human male, sperm are produced
Q26: The reproductive organ in the human female
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