Question

explain nutrition, transportation and excretion in HUMAN BEINGS ​

Answer 1

Nutrition is a process in which taking of food and its utilization by the body.

Excretion is a process by which metabolic waste is eliminated from an organism. In vertebrates this is primarily carried out by the lungs, kidneys and skin.

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Transportation In Human Beings. In humans, transportation of oxygen nutrients, hormone and other substances to tissue, CO2 to the lungs and waste products to the kidneys is carried out by a well-defined Circulatory System. In lower organisms material is transported by diffusion.