It affects the brain. hope that helped
Answer:
3rd option
Explanation:
Diseases would spread. people would not become more susceptible so the answer is the 3rd option
I would say it's a compulsion. Hope this helped!
-TTL
The heart is composed of two major loops. One going from your heart to your lungs, the other going from your heart to the rest of your body. When your heart beats, strong cardiac muscles pump blood to these destinations. I hope this helped.
