Answer:
He proposed that all cells come from existing cells.
Explanation:
He proposed that all cells come from existing cells, completing the cell theory.
The respiratory system is the system of organs that allow the body to take in oxygen and expel carbon dioxide, this process is known as gaseous exchange. We generally breathe between 12 and 20 times a minute.
Answer:
I think the answer is To make energy
Explanation:
To release energy and carbon dioxide from the food with the help of the oxygen.
