Last seen: May 7, 2021
Glucagon and insulin are secreted by pancreas. Glucagon which helps to break down glycogen in liver to raise blood glucose level. Insulin which h...
(i) Female baby. (ii) Male baby.
X chromosomes stand for female characters and Y chromosomes for male characters.
In male humans the reproductive activity is from puberty to 60 or 70 years. In female humans the reproductive activity is from puberty to 45 to 50 y...
The voice of boys becomes hoarse and deep but the voice of girls become shrill but sweet during adolescence.
In girls, there is more growth in the body parts below the waist. The boys have wider chest and shoulders.
The most obvious change in body is the sudden increase in height. The person looks tall because the bones of the legs and arms suddenly become long.
Killing of the female foetus in the mother’s womb is known as female foeticide.
A balanced diet during adolescence helps in proper development of reproductive organs and a beautiful body.
(i) Exocrine glands, e.g., liver secretes bile. (ii) Endocrine glands, e.g., adrenal gland.
Exocrine Glands: (a) They secrete enzymes which come out through ducts. (b) e.g., salivary gland Endocrine Glands: (a) They secrete hormones w...
Gonadotropin Thyroid Insulin Iodine
At puberty, the bones of the arms and legs elongate and make a person tall.
Yes, the height of a person depends on the genes inherited from his parents.
Acquired Immuno Deficiency Syndrome.
(b) chapati, dal, vegetables.
(a) menstruation starts.
(b) proper diet is needed for the rapid growth taking place in their body.