The amount of sediment would increase, but the size would shrink because of the sediment bumping into things.
The answer is counter shading.
Countershading is used by the predatory fishes. It is a form of camouflage in which the animal's pigmentation is darker on the upper side and lighter on the lower side of the body. It made the predators detection from the prey but counterbalancing the effects of self-shadowing.
The correct medical condition is called orthostatic hypotension; also, called postural hypotension where one can feel dizzy, lightheaded or sometimes faint. This is a form of low blood pressure that happens when a patient get up from lying down or sitting up. Moreover, the common cause of this is lengthy bed rest and dehydration.
The circulatory system is responsible for moving blood cells throughout the body.
