State one change in the body shape of grown up boys and one change in the body shape of grown up girls which makes them look different.

The reason for the change in shape of a regular body is

Can balanced forces change the shape and size of a body?

Which one inactivates an enzyme by changing the enzyme shape ?

Give one example each where: (a) a force moves a stationary body. (b) a force stops a moving body (c) a force changes the speed of a moving body. (d) a force changes the direction of a moving body (e) a force changes the shape (and size) of a body.

Cell forming body of Amoeba has an ever changing shape.

Puberty is the period in life at which sexually immature boy or girl becomes sexually mature and capable of reproduction. It happens to be at the age of 11 to 13 years in girls and 13 to 16 years in boys. However, the period may vary from person to person. Puberty ends when an adolescent reaches the reproductive maturity. At puberty, certain changes occur both in boys and girls. Some changes are common in girls and boys such as increase in height, changes in body shape, changes in voice box and voice, etc. Which of the following changes does not occur at puberty?

Puberty is the period in life at which sexually immature boy or girl becomes sexually mature and capable of reproduction. It happens to be at the age of 11 to 13 years in girls and 13 to 16 years in boys. However, the period may vary from person to person. Puberty ends when an adolescent reaches the reproductive maturity. At puberty, certain changes occur both in boys and girls. Some changes are common in girls and boys such as increase in height, changes in body shape, changes in voice box and voice, etc. Which of the following is the most important change that marks the onset of puberty?

Give one example where force changes the shape of an object.