Answer:
is part of the cardiovascular system;
pumps blood to the cells in the body works;
closely with the lungs
Explanation:
The heart is a muscle that pumps blood through the blood vessels and that is the essential function. It is the main and central organ of the circulatory system.
The heart weights between 200 and 425 grams. It is located between lungs, in the middle of the chest and it is divided into four chambers in humans, other mammals, and birds heart.
Make sure to be careful with residents
The system that prepares food for absorbtion into the bloodstream is the digestive food. It makes sure the food in the stomach is broken down.
Drug abuse can effect your body in a very bad way and their are very bad side effects you can get by using drugs such as <span>increased heart rate, high blood pressure, dizziness, tremors, mood changes and paranoia.</span>
Polio destroys motor neurons specifically. The question came with no "Which of these options"
