Tertiary egg membrane is
Vitelline membrane
Zona radiata
Albumen
Corona radiata
Which of the following is true regarding sperm ?
Vegetal hemisphere of egg consists of
Which extraembryonic membrane in humans prevents desiccation of the embryo inside the uterus?
The respiratory function of embryo is performed by
Placenta acts as an endocrine tissue and produces several hormones like
$A.$ Human chorionic gonadotropin $(hCG)$
$B.$ Human placental lactogen $(hPL)$
$C.$ Estrogens
$D.$ Progesterone