Question

Describe Transportation in Human ​

Answer 1

Answer:

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.The blood is responsible to transport food, oxygen, and waste materials in human bodies. Plasma is responsible to transport food, carbon dioxide, and nitrogenous wastes in dissolved form. However, oxygen is carried by the red blood cells. Many other substances such as salts, are also transported by the blood.