You don’t explain very well but the sentence it’s true
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.
Dietary fiber from whole grains, as partof an overall healthy diet, helps reduce blood cholesterol levels and may lower risk of heart disease. Fiber isimportant for healthy bowel function and helps reduce constipation. B vitamins help the body release energy from protein, fat and carbohydrates.
