carries blood from the left ventricle to the body.
a flap of tissue that prevents blood from flowing backward.
materials are exchanged between blood and the body's cells in this blood vessel
cell fragments that play an important part in forming blood clots
occurs when blood flow to part of the heart muscle is blocked
caused by alternating expansion and relaxation of the artery wall
lower chambers of the heart
sends out signals that make the heart muscle contract
is caused by the force with which the ventricles contract
the filter lymph, trapping bacteria and other disease-fighting microrganisms in the fluid
Red Blood Cell
take up oxygen in the lungs and deliver it to cells elsewhere in the body
Consists of the heart, blood vessels, and blood
a disorder in which a person's blood pressure is consistently higher than normal: also called high blood pressure
a network of veinlike vessels that return fluid that leaks out of blood vessels to blood stream
the liquid part of the blood
the process by which molecules move from an area of higher concentration to an area of lower concentration
a blood vessel that carries blood away from the heart
the fluid that the lymphatic system collects and returns to the bloodstream
a blood vessel that carries blood back to the heart
an iron-containing protein that binds chemically to oxygen molecules; makes up most of red blood cells
White Blood Cell
A blood cell that fights disease
an artery that supplies blood to the heart itself
a condition in which an artery wall thickens as a result of the buildup of fatty materials.
a hollow, muscular organ that pumps blood throughout the body.