Aging effects all of the body's cells, tissues, and organs which in turn affect the functioning of all body systems. as cells age, cell change, so body tissues have more trouble getting oxygen and nutrients and removing carbon dioxide and wastes.

membranes

Explanation:

Aging is understood to mean the physiological changes that occur over time in multicellular organisms. To further detail, such changes occur in molecules and cells that ultimately impair the functioning of organs and the body in general. The causes of such a period can be divided by considering the genetics, lifestyle and environment in which a person lives. Aging physiologically affects all cells and all systems in the body. As cells get older, membrane cells change, so body tissues have more trouble getting oxygen and nutrients and removing carbon dioxide and waste.

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.

the answer is cell division : )