Last seen: May 7, 2021
Controlling the growth of population is important because it is difficult to provide food, shelter and other necessities of life for a large populatio...
Name of gland Position in the body Pituitary gland beneath the brain. Thyroid gland on the windpipe. Pa...
Before a zygote is received in the uterus, the uterus wall becomes thick with a lining of soft and spongy tissue full of blood vessels. This is to rec...
Girls are not as intelligent as boys. Loss of semen is the loss of energy. A girl should not handle food duration menstruation. The mother is respo...
During adolescence one should take care of personal health and hygiene. Physical exercise should be taken. Personal hygiene should be maintained ...
The following changes take place both in boys and girls: Increase in height. Better development of muscles. Change in body shape. More of sweat...
Full height in cm = (Present height (cm) x 100) / % of full height at this age Full height in cm = (110 x 100) / 77 Full height = = 142 6/2 cm.
Before a zygote is received in the uterus, the uterus wall becomes thick with a lining of soft and spongy tissue full of blood vessels. In case fertil...
The sex of the child is determined 2s.png
Paternal twins are not of the same sex. They are a result of double fertilisation — fertilisation of two ova from two sperms.
Identical twins come from the same ovum. After fertilisation the zygote splits into two, each developing into an independent baby. Therefore, these tw...
In our country female foeticide is illegal because the female population is decreasing. In Indian society, girls are considered a burden. Lot of expen...
Sexual contact by adolescents should be avoided because : to avoid unwanted pregnancies. to avoid getting HIV (AIDS) infection or any other sexua...
The stage in the life of a woman when the menstruation stops.
The first menstrual cycle is known as menarche.
Since menstruation occurs once in about 28 to 30 days it is known as ‘period’ or menstrual cycle.
The function of FSH is to make the testes release testosterone hormone to initiate the formation of sperms. to make the ova mature in the ovaries...
Similarity : In both boys and girls hair start to grow in arm pits and the pubic region above the thighs. Difference: In boys, moustaches and beard ...
Gland Hormone Thyroid Calcitonin Parathyroid Parathyroid Hormone Ovaries Progesterone.
When the mother is angry and the child is afraid more adrenalin would be released from the adrenal gland. Due to this there will be heavy sweating and...