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प्रश्न
State the main function of the Leydig cells
उत्तर
Produce male sex hormone called testosterone
APPEARS IN
संबंधित प्रश्न
Explain the process of development in human beings.
fill in the blanks with suitable functions: Seminiferous Tubule and _____
Describe in brief the structure of placenta
One of the following is not a part of the human male reproductive system. This is
(a) testis
(b) oviduct
(c) seminal vesicle
(d) prostrate gland
Which among the following are not the functions of testes at puberty?
(i) formation of germ cells
(ii) secretion of testosterone
(iii) development of the placenta
(iv) secretion of estrogen
When a female child is born, her ovaries already contain thousands of immature eggs (or ova) contained in immature structures A. On maturing, A bursts open and an egg shoots out of the ovary in a process called B. The process B starts in the females at puberty and occurs again and again after a time period x. Before every occurrence of process B, the inner lining of uterus becomes thick and soft with lots of blood vessels in it. When the egg cell gets fertilised by a sperm, then an event C occurs in the life of mature human female which lasts for time period y leading to the birth of baby. If, however, the egg cell released by the ovary does not get a sperm to fuse with, then the thick and soft inner lining of uterus breaks down and comes out of the female's body in an event called D. The occurrence of event D is controlled by chemical substances E.
(a) What are A?
(b) What is process B?
(c) What is the time period x?
(d) Name the event C.
(e) How much is the time period y?
(f) What is the name of process D?
(g) Name the chemical substances E.
Diagram shows the reproductive system of female human beings:
(i) Name the parts numbered 1 to 14.
(ii) Normally, after how many days does an ovary release an egg?
(iii) Where are the sperms released during coitus?
(iv) What is the role of sperms after their ejaculation in vagina?
(v) What is the function of the organ numbered 5?
(vi) What is the gestation period in human?
Name the following:
Organ where implantation takes place.
Complete the following statement by choosing the correct alternative:
Sterilization in female is due to cutting off of ______.
Differentiate
Urinogenital system and Urinary system.
