D. population and nutrients
Answer:
First, it transports blood with oxygen and nutrients to cells all over the body. Second, it picks up waste products from the cells to be transported out of the body, and it takes the deoxygenated blood back to the lungs so it can regenerate.
Answer:
Explanation:
zinc zn 30 65.38 u 30 34 30
Carbon dioxide+water (with sunlight)= glucose +oxygen
