Intestines
Simply saying heart is a pumping organ , which pumps blood into the whole part of the body. The oxygen from lungs dissolve in it and the cells get oxygen through this circulation of blood. Food get digested and cells get food through the blood. thus the cells live with the help of heart. Our body is made up of cells and the cells live with the help of heart means the whole body live with the help of heart
They are not Organs enzymes in your saliva and stomach help break down foods so the can easily be digested
Food must be chemically digested because the substances which our body needs cannot be absorbed into the blood until they have been broken down into small, soluble chemicals with the help of enzymes in our mouth. When the food is digested, its molecules are small enough to pass through the wall of the small intestine by diffusion.
large intestine
villi helps because it observers digested food in the small intestines
The Stomach
Arteries,veins and capillaries are the blood vessels which help in transporting blood from one organ to another organ.
The food in our body should be digested for us to get the nutrients from the food that we eat and the food that will gives our body cell energy and substances that we needed for our health -I hope my answer would help you guys:)
villi helps because it observers digested food in the small intestines
Fiber.It is needed to help move food through the gut, but can't be digested into anything.
it help in the exchange of o2 in blood capillary and co2 from blood capillary into alveolus
The blood is passed through the kidneys which removes any toxins from it.