The two glands A and B which occur in pairs, are present in the endocrine system of humans. The �pair of glands A is found only in females whereas the pair of glands B occurs only in males. The glands A make and secrete two hormones C and D whereas glands B make and secrete only one hormone E. In addition to hormones, glands A make gametes F whereas glands B make gametes G.
(a) What are glands A?
(b) What are hormones C and D?
(c) What are glands B? Name the hormone E.
(d) What are gametes (i) F, and (ii) G?
(e) Which event in the life of males and females is associated with the secretion of hormones C, D and E?
(a) In above question, the glands A are ovaries.
(b) The hormone C is oesterogen whereas hormone D is progesterone.
(c) The glands D are Testes. The hormone E is testosterone (a male sex hormone) released from gland D (testes).
(D) (i) The gametes F are ova or eggs.
(ii) The gametes G are sperms.
(e) In both males and females, puberty is associated with the secretion of hormones C (oesterogen), D (progesterone) and E (testosterone).