D. fingernails
Skin, hair, and vertebrae are all the outer layer of the body and protect the body. The fingernails aren't part of that.
Answer:its bus and help me
Explanation:and pls dont report
<span> because if the shape of the enzyme changes it may not function or it may function differently.
hope this helps</span>
Answer:
B
Explanation:
for someone to choke it means the person lacks oxygen in the sense that its oxygen path has been blocked so its B
