Answer:
protein
Explanation:
Proteins are among the most important macromolecules of the cell
Answer:
This is True
Explanation: hope this helps!
Drink plenty of water and Exorcist daily also eat grain wholefood cereal
Also, Welcome To BRAINLY!!
The circulatory and respiratory system are connected at the lungs. The circulatory needs oxygen form the lungs to pump the blood around the body and the respiratory system supplies the oxygen and gets the oxygen from the air into your bloodstream.Sep 23, 2013