What question are you talking about?
Answer:
The fastest rate of growth is usually 1 to 2 years after puberty has started. Developing physically into an adult takes 2 to 5 years. Most boys will stop growing taller by age 16 and will usually have developed fully by 18.
I’m pretty sure it goes in this order
biceps
abductor
internal
rectus
Answer:
that's true with primary succession
Egg + sperm → embryo → adult with all its chromosomes → gametes → adult; gametes produce an organism with all its chromosomes