It depends on the person especially guys, Its like asking how fast you can get a boner ;)
no the liver is
really fast
brain cells
"grow."
ALL of them. They all contain the DNA and RNA needed for a human to develop and grow. A.K.A. the human gene.
350 ft/s
RNA and DNA are nucleus acids witch help the procedure to create proteins, in the human body, cause the human body with out proteins can't function.(For instance grow a tooth.)
no
brain cells
cockroaches can not grow to the size of an human body that would be immposible
The human body grows at different rates, depending on if you are a male or female, and your age. For instance, after 2 years of age, you grow about 2 inches a year, until puberty.
100,000,000
Your body controls the hormones that grow breasts.
Protein makes the body healthy and helps it grow if the human gets a lot of protein.
The human body is a very unique organism. The reason the hair on the head grows fast and longer than hair on ones face or legs is how we are created. The rate of growth can also vary based on genetics.
There is no such organ in human body.
it depends on how your body works. sometimes it grows fast, other times it doesn't.
it means you grow quickly
The pituitary gland