Largest growth of human foetus is done in
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$I. $ Sperm cells immediately when they are released from the body and are placed in a petri plate remain alive for much longer duration.
$II.$ Semen contains chemicals that causes females smooth muscles to contract
The female structures that corresponds (homologous) to the scrotum of the male are
Middle gastrula is characterised by
Sertoli cells are also called
Seminal plasma of humans is rich in