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health- c&r

TermDefinition
respiratory system the organs that supply your blood with oxygen
trachea a passageway in your throat that takes air into and out of your lungs
epiglottis a flap of tissue in the back of your mouth that keeps food out of your trachea
bronchi two passageways that branch from trachea,one to each lung
lungs two large organs that exchange oxygen and carbon dioxide
diaphragm a large, dome shaped muscle below the lungs that expands and compresses the lungs and enables breathing
circulatory system the group of organs and tissues that act as transfer stations carrying needed materials to cells and removing their waste products
arteries blood vessels that carry blood away from the heart to various parts of the body
veins blood vessels that carry blood from all parts of the body back to the heart
capillaries tiny blood vessels that carry blood to and from almost all body cells and connect arteries and veins
pulmonary circulation when blood travels from the heart,through the lungs, and back to the heart
systemic circulation takes place when oxygen rich blood travels to all body tissues except the lungs
blood pressure the force of blood pushing against the walls of the blood vessels
systolic blood pressure the pressure when the heart contracts and pumps blood into the arteries
diastolic pressure the pressure when the heart relaxes to refill with blood
pulse the contractions of the heart as it pumps blood throughout the body
Created by: Cheerleader2701