Sagot :
oxygen comes in and carbon-dioxide comes out... maybe that can help u.. :)
By hypothesis, this may be helpful:
When you say 'takes place', then you mean an action within a reaction. So better if the answer is like this:
•When you inhale and exhale, what takes place is the exchange of gases that occur mainly in the alveoli. That process ic commonly called the respiration.
When you say 'takes place', then you mean an action within a reaction. So better if the answer is like this:
•When you inhale and exhale, what takes place is the exchange of gases that occur mainly in the alveoli. That process ic commonly called the respiration.