Gills are used for respiration by fish and other organisms that live in an aquatic environment. Water is forced over the gill surface and blood flowing in the gills pick up oxygen via diffusion. The amount of oxygen that passes through the plasma membrane of the gills is directly related to its surface area. Therefore any part of the fish gill is affected and is not able to accommodate diffusion will reduce oxygen uptake.
he patient's blood would flow more sluggishly from the arteriole into the capillary bed. Thus, the patient's capillary hydrostatic pressure would be below the normal 35 mm Hg at the arterial end. At the same time, the patient's blood colloidal osmotic pressure is normal—about 25 mm Hg.
Cancer is a disease associated with the uncontrolled development of cells
Cancer may alter homeostasis of the cell. All types of body cells exhibit an specific (and normal) cycle of life. For instance, stem cells are present during lifetime while differentiated cells like skin cells die in a few days