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प्रश्न
Name the following:
Male and Female organs on specific individuals.
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उत्तर
Testes and ovaries
संबंधित प्रश्न
the Biological/technical term for The canal through which the testes descend into the scrotum just before the birth of a male baby
In human males, the testes lie in the scrotum outside the body because it helps in the
(a) process of mating
(b) formation of sperms
(c) easy transfer of sperms
(d) all the above
When a fertilised egg E formed in the oviduct of a human female divides repeatedly to form an embryo, the embryo gets implanted in the thick and soft lining of the uterus. After this a disc-like special tissue T develops between the uterus wall and embryo through which all the requirements of the developing embryo (and foetus) are met from the mother's body, The embryo is connected to the tissue T through a string like structure S.
(a) What is the other name of fertilised egg cell E?
(b) What is the name of tissue T?
(c) Name the string-like structure S.
(d) Name two substances which pass from mother's blood to embryo through tissue T and, one type of substance which passes from embryo to mother's blood.
(e) What happens to S when the baby is born? Why?
Write the functions of secretions of prostate gland and seminal vesicles in humans.
List two changes observed in girls at the time of puberty.
Choose the correct answer:
The aim of sexual reproduction _________
Give two important unique features of the human reproductive system.
Define the four stages in the uterine cycle.
The below diagram is of a developing embryo is a mother’s womb:
(i) Write the functions of the placenta, amnion, and umbilical cord.
(ii) How are the waste products of a fetus removed?
(iii) What is the gestation period?
Which of the following is an example of a secondary sexual characteristic in humans?
