Which of the following provides nutrition to sperm?
Leydig's cell
Scrotum
Sertoli's cell
Epididymis
Sertoli's cell provide nutrition to the sperm in testes.
In mammals the estrogens are secreted by the Graafian follicle from its
Which of the following is the endocrine tissue of testes
Site of fertilization in a mammal is ……
Blood flowing in umbilical cord is
In human, beings, after ………….. month of pregnancy, the embryo's heart is formed.
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