Question

urea gets from body cells to the blood plasma by diffusion through the tissue fluid. explain what is means

Answer 1

Answer:

Glucose diffuses from the blood plasma, across the capillary walls to the tissue fluid, and then to the cells. The waste product urea diffuses from the cells of the liver to the tissue fluid, and then across the capillary walls into the blood plasma.

Answer 2

tissue is made by cell and cell have plasma membrane which is selectively permeable membrane . so it take food and the waste is thrown out in vain