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प्रश्न
What is the name of the narrow opening between the uterus and the vagina.
उत्तर
The cervix is the narrow opening between the uterus and the vagina.
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संबंधित प्रश्न
State its functions in case of a pregnant human female.
What could be the reasons for adopting contraceptive methods?
State the main function of the Leydig cells
What do the ovaries in a woman produce?
What name is given to the fusion of sperm and ovum?
Why does menstruation occur? Describe the menstrual cycle in human females (or women).
The normal body cell of an organism contains 28 pairs of chromosomes. The number of chromosomes present in its germ cell will be
(a) 28
(b) 14
(c) 56
(d) 42
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.
Define the following:
Asexual reproduction
The male homologue of the female clitoris is ____________.
