Anatomy physiology blood flow

Specialised cells that make up the juxtaglomerular apparatus of the kidney can sense changes in BP.

Normally, the MAP falls within the range of 70— mm Hg. Mean is a statistical concept and is calculated by taking the sum of the values divided by the number of values.

Although there are five recognized Korotkoff sounds, only two are normally recorded. Oxygen and carbon dioxide move across the capillary wall by diffusion.

Muscular arteries regulate local blood flow and deliver blood to individual organs. If the pulse is strong, then systolic pressure is high. This first article in a three-part series covers anatomy and physiology; part 2 and part 3 discuss the pathophysiology of the vascular system.