Explanation:
When you breathe in, or inhale, your diaphragm contracts and moves downward. This increases the space in your chest cavity, and your lungs expand into it. The muscles between your ribs also help enlarge the chest cavity. They contract to pull your rib cage both upward and outward when you inhale
Active transport is the homeostatic process that moves particles against a concentration gradient.
Answer:
The heart beats slowly because oxygen consumption is reduced
Though all choices protect your organs the most important would be your bones.
Idk if It depends on the cell but the process is called Asexual reproduction, it basicly means that the cells don't need another partner to make more of them it just kinda forms onto there body till it just falls off