click below
click below
Normal Size Small Size show me how
Ch 16 vocab
vocabulary
Term | Definition |
---|---|
cardiovascular system | heart, blood vessels, blood |
heart | hollow muscular organ |
atrium | two upper chambers of the heart |
pace maker | sends out signals for to the heart |
ventrical | pumps blood out of the heart |
valve | flap of tissue that prevents blood from flowing backwards |
artery | blood vessels that carry blood away from the heart |
capillaries | tiny narrow vessels |
veins | blood vessels that carry blood back to the heart |
aorta | the largest artery in the heart |
coronary arteries | carry blood to the heart |
pulse | heart beat |
diffusion | molecules higher to lower |
blood pressure | force against the wall of blood vessels |
plasma | liquid part of the blood |
red blood cells | take up oxygen in the lungs |
hemogoblin | iron containing protien |
white blood cells | help heal cuts and scrapes |
platelets | fragments that form blood clots |
lymphatic | drainage system |
lymph | water and dissolved materials |
lymph nodes | filter lymph |
atherosclerosis | artery wall thickens |
heart attack | blood flow blocked |
hypertension | high blood pressure |