AHII - Ch 12 Cardiovascular System

Plasma is a yellowish fluid.

Both atria fill at the same time and both ventricles fill at the same time.

Systole is the phase when the heart contracts

All arteries carry oxygenated blood.

Atherosclerosis is caused by plaque

The sinoatrial node(SA node) sets the heart rate by sending its impulse to the atrioventricular node for distribution.(AV node)

Arteries have thinner walls than veins.

The innermost layer of a blood vessel is the tunica interna.

In healthy people, caffeine, nicotine, or stress can cause ________.

________ is an inherited condition in which red blood cells and hemoglobin molecules do not form properly.