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प्रश्न
Explain the term Parturition or birth.
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उत्तर
Parturition or birth: It is the expelling of the fetus from the body of the mother and it begins by the contraction of the uterine walls resulting in labour pains.
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संबंधित प्रश्न
Name the parts of the human female reproductive system where
i. fertilisation takes place
ii. implantation of the fertilised egg occurs
Describe, in brief, the changes the uterus undergoes
(i) to receive the zygote.
(ii) if zygote is not formed
What are sexually transmitted diseases?
What are the female sex cells in humans called?
Why is it an advantage for the testes to be situated in the scrotal sac outside the main body cavity? Can you think of one disadvantage?
Pollen grains are formed by ______ division in locules of anthers.
State the Location:
Uterus
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| (i) Acrosome
(ii) Ovulation (iii) Sperm (iv) Menopause (v) Implantation (vi) Fertilization (vii) Contraception in males |
(a) Male gamete
(b) Oviduct (c) Uterus (d) Spermatozoa (e) Progesterone (f) Stoppage of the menstrual cycle (g) Sudden change in genes |
The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for ______.
Arrange and rewrite the terms in the group in the correct order to be in a logical sequence beginning with the term that is underlined:
Testis, Urethra, Sperm duct, epididymis.
