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प्रश्न
Fill in the following blank with suitable word :
The menstrual cycle is controlled by.............
उत्तर
The menstrual cycle is controlled by hormones.
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संबंधित प्रश्न
Draw a sectional view of human female reproductive system and label the part where
(i) eggs develop.
(ii) fertilisation takes place.
(iii) fertilised egg gets implanted.
If a woman is using a copper-T, will it help in protecting her from sexually transmitted diseases?
Why are testes located outside the abdominal cavity? What is responsible for bringing about changes in appearance seen in boys at the time of puberty?
Name the cells that secrete Testosterone
Do all organisms give birth to individuals like humans?
X and Y are two human beings. The organ A in the reproductive system of X releases a mature gamete B once a month which goes into a tube-like structure C through a funnel-like opening. The organ D in the reproductive system of Y makes and releases gametes E which pass through a duct F and are introduced by an organ of Y, into the body of X. B and E fuse together in C to form a new cell G. The cell G divides repeatedly to form a ball of cells H which gets embedded in the lining of organ I of reproductive system of X where it grows and develops into a baby.
(a) Name (i) organ A, and (ii) gamete B.
(b) Write two names of tube-like structure C.
(c) Name (i) organ D, and (ii) gamete E.
(d) Write two names of duct F.
(e) Name (i) cell G (ii) ball of cells H, and (iii) organ I.
(f) Out of X and Y, which one is (i) male, and (ii) female?
List two changes observed in girls at the time of puberty.
State whether the following statement is true or false:
Oviducts and fallopian tubes are one and the same thing.
Answer the following question:
Why are family planning measures needed in our country?
