blood vessels that carry blood away from the heart
blood vessels that carry blood back to the heart
smallest blood vessels; materials are exchanged between the blood and the body's cells
a chamber of the heart that receives blood from an atrium and pumps it to the arteries
heart chamber that receives blood returning to the heart from other parts of the body
flap of tissue in the heart and large veins that prevents blood from flowing backwards.
Red Blood Cells
Cells that are primarily responsible for transporting oxygen and carbon dioxide through the body.
White Blood Cells
A Blood cell that defends against infection by disease-causing bacteria and viruses
tiny, disk-shaped bodies in the blood, important in blood clot formation
liquid portion of blood made up of water, dissolved salts, proteins, and other substances
Systolic Blood Pressure
pressure in the artery when the left ventricle is contracting to force the blood into the aorta and other arteries
Diastolic Blood Pressure
pressure in the artery when the ventricles are relaxing and the heart is filling, receiving blood from the venae cavae and pulmonary veins