Ejaculation of semen:

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(D) Ejaculation is the process of discharging semen from the male reproductive tract. $1$. It involves rhythmic contractions of the bulbospongiosus an

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All the above

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(D) Ejaculation is the process of discharging semen from the male reproductive tract. $1$. It involves rhythmic contractions of the bulbospongiosus and ischiocavernosus muscles,which are striated muscles. $2$. The process is regulated by the sympathetic nervous system,which triggers the contraction of the vas deferens,seminal vesicles,and prostate gland. $3$. It is physiologically associated with the sensation of orgasm in males. Therefore,all the given statements are correct.

Column $I$	Column $II$
$i$. Prostate gland	$a$. Hyaluronidase
$ii$. Acrosome of sperm	$b$. Inhibin
$iii$. Corpus luteum	$c$. Acid phosphatase
$iv$. Placenta	$d$. Human Chorionic Gonadotropin

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