Answer:
How his body could go through puberty.
Explanation:
They are all examples of depressants or antidepressants i think
Answer: white blood cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders
hope this helps
Explanation:
A thermos flask has double walls, which are evacuated and the vacuum bottle is silvered on the inside. The vacuum between the two walls prevents heat being transferred from the inside to the outside by conduction and convection.
The armor protects the skeletal system and has joints. so you could put armor is to skeleton as shell to crab.