Answer:
Option A is correct
Heart and Blood Vessels are the parts of the circulatory system.
Answer:
Frequent urination.
Increased thirst.
Always feeling hungry.
Feeling very tired.
Blurry vision.
Slow healing of cuts and wounds.
Tingling, numbness, or pain in the hands or feet.
Patches of dark skin.
Explanation:
7000 chemicals. ..........