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प्रश्न
Give scientific reasons: When an ovum gets fertilized, menstrual cycle stops temporarily in a woman.
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उत्तर
In case of fertilisation of the ovum by a sperm, the corpus luteum persists and continues to secrete progesterone in the body thus maintaining its high levels. The presence of progesterone prevents the maturation of another ovum, thus temporally stopping the menstrual cycle.
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संबंधित प्रश्न
Write the function of the following part in a human female reproductive system:
Fallopian tube
What is the name of the process in which thickened uterus lining alongwith blood vessels is removed from the body of a human female through vaginal bleeding?
Where does fertilisation take place in human females?
Which one of the following best describes the function of the umbilical cord? It :
(a) feeds the embryo with digested substances.
(b) conveys nutrients and wastes to and from the embryo respectively
(c) removes waste matter from the embryo to the mother's blood.
(d) supplies oxygenated blood from the mother to the embryo.
Draw a sectional view of human female reproductive system and label the following parts :
(i) Where the development of egg occurs.
(ii) Where fertilization takes place.
Describe the role of the following in human beings:
(i) Seminal vesicles
(ii) Prostate gland
Differentiate
Sexual Reproduction and Asexual Reproduction.
Name the Following
What does this abbreviation stand for IUD?
Choose the Odd One Out:
