Answer:
I believe it's an organ
Explanation:
Organs have atleast two or more tissue types and preform specific sets of functions for the body.
Answer:
An axis is an invisible line around which an object rotates, or spins. The object can be a tiny particle, smaller than a single atom. Or it could be a star with the mass of a thousand suns.
Answer:
The exact answer would be "genetics and his diet"
Explanation:
Since his parents are tall he knows he will be too, and by him eating good foods that will help him develop faster.