this is the exchange of gases and nutrients.
It took me a bit but i figured it out!
Hope this helps you some!:)))
Diabetes, Antibodies are proteins that your body produces in response to harmful substances called antigens. An ELISA test may be used to diagnose: HIV, which causes AIDS. Lyme disease.
Explanation:
Haddock et al. (1998) stated that social factors are the strongest predictors of tobacco use; for example, having friends who smoke and view smoking as attractive significantly increases one's own risk of smoking.
