How Do Food And Oxygen Reach Body Cells. Food or nutrients are absorbed by the blood in the small intestine and oxygen enters into the lungs where it is carried by blood and from the lungs is sent to all the body cells through blood. The food molecules are absorbed by the cells making up the microvilli and then pass to the bloodstream via capillaries running alongside the microvilli.
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Your circulatory system is an efficient mechanism for getting oxygen and nutrients to the body cells. Once in the bloodstream the food. After food is broken down in the digestive system it is transported to cells via the circulatory system.
Because blood from the heart travels to the lungs before being sent out to the body the blood going to.
Oxygen enters the cells through simple diffusion while glucose amino acids and other large insoluble compounds enter through facilitated diffusion. The oxygen we inhale will reach lungs. Hence supplied to various cells in the body. These villi are covered with blood capillaries and then the nutrients absorbed are taken by the blood to every cell of the body.
