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प्रश्न
Name the Following
Days in the human gestation period.
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उत्तर
280 days
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संबंधित प्रश्न
Explain the process of birth in human beings.
Differentiate between Sperm duct and fallopian rube (function)
How long does a human baby take to develop before birth?
During adolescence, several changes occur in the human body. Mark one change from the following associated with sexual maturation in boys.
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.
Write the functions of secretions of prostate gland and seminal vesicles in humans.
Describe in brief the role of seminal vesicle in human male reproductive system.
“Gender of child is determined by the male partner of couple”. Draw a diagram explaining the above statement.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Women after the age of 45 years normally cannot produce children.
The membranous cover of the ovum at ovulation is ______.
