Answer:
Option A is correct
Heart and Blood Vessels are the parts of the circulatory system.
Factories, smoking, cars, littering
Answer:
what do you mean by that statement
Vitamin A, Causes Hypervitaminosis A (cirrhosis, hair loss). Vitamin D, causes Hypervitaminosis D (dehydration, vomiting, constipation). Calcium, causes Fatigue, depression, confusion, anorexia, nausea, vomiting, constipation, pancreatitis, increased urination.
