answersLogoWhite

0


Best Answer

They breath out air with a higher percentage of CO2, a lower percentage of oxygen and (depending on the humidity) a higher percentage of water vapour.

User Avatar

Wiki User

2010-09-21 18:59:54
This answer is:
User Avatar
Study guides

Exercise

16 cards

What is the effect of exercise on your flexibility

What is the fibrous connective tissue that holds bones in a joint together

What type of muscle straightens a joint

Which type of cancer is the leading cause of death

➡️
See all cards
4.0
413 Reviews

Add your answer:

Earn +20 pts
Q: What do humans exhale?
Write your answer...
Submit
Still have questions?
magnify glass
imp
People also asked