Blood carries oxygen from your lungs to the rest of your body. As you inhale, high oxygen concentration is taken up by your lung
s. The lungs have a higher oxygen concentration than the blood. Oxygen will diffuse out of the lungs and into your blood. Is this Passive or Active Transport?
Enzymes create chemical reactions in the body and help do all main functions such as building muscle, destroying toxins, and breaking down food particles during digestion.
