I think it is the Thymus Gland.
No, puberty starts whenever your body is ready.
lungs
Puberty doesnt depend on the weight of the body. Usually boys are of 13-14 years of age when puberty starts .
The female body starts to grow and get taller. the body also starts to produce hormones, the body also starts to produce eggs which are used in reproduction.
Testosterone which is produced in the testicals plays a major role in puberty and it is the reason why puberty affects your whole body.
No, there isn't an organ in the human body that starts with an F.
colon Note: The colon is not an organ, but part of the Intestines.
The main organ of the body starts with "H" and that is the heart.
Ovary
because puberty starts at the age of menstruation, that is the age at which the body is developed enough to begin with the job of reproduction.
It varies from person to person but it usally starts with body oder.
Puberty is the process in which the body becomes sexually mature. The usual age is 12 for boys and 11 for girls.