Answer:
I think it's (reality therapy) but I am not sure..
Answer:
They pump blood/help us breathe oxygen.
Explanation:
The lungs are a very important part of the body, without them we would die.
If some living things do not reproduce this could be considered a defect or a genetic mutation in those people. If we take humans for example, if most humans reproduce and some don't because they cannot (if a guy cannot produce sperm) this doesn't mean that he isn't alive, it just means he was born with a genetic mutation which doesn't allow him to produce sperm needed for reproducing.