Which one of the following statement about sex hormones is correct
Testosterone is produced by Leydig cells under the influence of luteinizing hormone (LH)
Progesterone is secreted by corpus luteum and soften ligaments during child birth
Estrogen is secreted by both Sertoli cells and corpus luteum
The progesterone produced by corpus luteum is biologically different from the one produced by placenta
Continued secretion of milk is maintained by
Insulin is secreted by $\beta - $ cells of islets of Langerhans. Which is not correct concerning insulin
$ADH$ regulates the permeability of
Which regulates cell division, protein synthesis and growth of the bone?
The source of somatostatin is same as that of