Advertisements
Advertisements
Question
What is the composition of semen?
Advertisements
Solution
Semen or seminal fluid is a milky white fluid which contains sperms and seminal plasma, which is secreted from the seminal vesicles, prostate gland, and bulbourethral glands.
RELATED QUESTIONS
The pituitary hormone which stimulates contraction of uterus during child birth.
State the main function of the Corpus luteum
During adolescence, several changes occur in the human body. Mark one change from the following associated with sexual maturation in boys.
X and Y are two human beings. The organ A in the reproductive system of X releases a mature gamete B once a month which goes into a tube-like structure C through a funnel-like opening. The organ D in the reproductive system of Y makes and releases gametes E which pass through a duct F and are introduced by an organ of Y, into the body of X. B and E fuse together in C to form a new cell G. The cell G divides repeatedly to form a ball of cells H which gets embedded in the lining of organ I of reproductive system of X where it grows and develops into a baby.
(a) Name (i) organ A, and (ii) gamete B.
(b) Write two names of tube-like structure C.
(c) Name (i) organ D, and (ii) gamete E.
(d) Write two names of duct F.
(e) Name (i) cell G (ii) ball of cells H, and (iii) organ I.
(f) Out of X and Y, which one is (i) male, and (ii) female?
Write the functions of secretions of prostate gland and seminal vesicles in humans.
List and explain in brief three methods of contraception.
What is reproduction? List its two types.
Give two important unique features of the human reproductive system.
State the Location:
Uterus
Mention the importance of the position of the testes in humans.
