The osmotic pressure of the plasma affects the mechanics of the circulation in several ways. An alteration of the osmotic pressure difference across the membrane of a blood cell causes a shift of water and a change of cell volume. The changes in shape and flexibility affect the mechanical properties of whole blood.
Weekly. Potatoes need one solid watering every week. Accounting for naturally occurring moisture is an important when judging how often to water. A light shower doesn't penetrate deeply enough into the soil, so you should still proceed with your weekly watering after receiving one.
Inconsistent Irrigation. Potatoes need even, consistent irrigation from the time you plant them up until the potato tubers are fully developed. The soil should never be allowed to dry out during the growing season; however, you should stop watering when the tops of the potato plants turn yellow to prevent the tubers from rotting.