Answer:
it exchanges oxygen and carbon dioxide
Explanation:
You inhale oxygen and exhale carbon dioxide
Answer:
The correct answer isoption b: it will be converted into lactate and build up in the bloodstream.
Answer:
when carbon dioxide level goes up.temp. goes down.and vice versa
Foreign invaders have proteins called antigen, which antibodies lock onto to neutralize. The foreign proteins are different from proteins in our own body, so the immune system can recognize them and finally eliminate them.
