I would say the second option
Hope this helps *smiles*
Answer:
When cells become damaged or die the body makes new cells to replace them. This process is called cell division. One cell doubles by dividing into two. Two cells become four and so on.
Explanation:
Answer:
3. Mitochondria
Explanation:
Numerous mitochondria are found in each muscle cell to provide metabolic energy for muscle contraction.
hope i helped (:
Lowered cos the higher the ph the lower the hydrogen ions
