A macromolecule is a large molecule containing many atoms. The four type are carbohydrates, lipids, proteins, and nucleus acids.
It would be nitrogen, oxygen, and carbon dioxide (:
x
Answer:
The correct answer would be a) circulatory system.
A stroke is primarily caused due to reduced or interrupted supply of blood to the brain.
The blood supply is usually reduced as a result of blockage or bursting of an artery carrying blood to the brain.
Consequently, the brain cells experience a lack of oxygen and nutrients due to which they begin to die.
Thus, stroke is initially caused by damage to the circulatory system.
I think so but im not positive
hope it helps
