CH 33 VOCAB Flashcards
myocardium
muscle layer
atrium
upper chamber of the heart
ventricle
lower chamber of the heart
valves
flaps of connective tissue
arteries
large vessels that carry blood from the heart to the tissues of the body
capillaries
smallest blood vessels
veins
located near and between skeletal muscles
plasma
straw-colored fluid
red blood cells
erythrocytes, most numerous cells in blood
hemoglobin
a protein that binds oxygen in the lungs and releases it in capillary networks throughout the body
white blood cells
leukyocytes, are the “army” of thhe circulatory system
platelets
cell fragments
lymph
fluid with small particles in it, found in blood
atherosclerosis
a condition in which fatty deposits called plauqes build up in artery walls and eventually cause the arteries to stiffen
pharynx
throat