why are there very fast contractions and relaxations during ejaculation?
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1
Answer:
When th kind of sensation around the skin of penis occurs it makes the nerves in it to excite. This sort of excitement sometimes results in ejaculation.
Explanation:
Where the reason for contraction and relaxation is due to provide the velocity to seminal fluid to flow and also to prevent the damage of peins's path due to pressure. Thus contraction and relaxation might be termed as discontinuous pressure to seminal fluid to provide velocity!
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Answered by
3
Answer:
Myosin moves actin, releases and reforms cross-bridges many times as the sarcomere shortens and the muscle contracts. When the muscle relaxes the tension decreases. This phase is called the relaxation phase. During this phase calcium is actively transported back into the sarcoplasmic reticulum using ATP.
Explanation:
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