key terms + examples Flashcards
systole
when the heart contracts and pumps blood out
diastole
when the heart relaxes and chambers fill with blood
heart rate
the number of times the heart beats per minute
stroke volume
the amount/volume of blood pumped out of the heart per beat
cardiac cycle
one cycle of diastole and systole (one heartbeat)
tidal volume
the amount of air inhaled and exhaled per breath. increased during exercise
vital capacity
maximum amount of you can forcibly breathe in or out. stays same during exercise
residual volume
amount of air left in the lungs after maximum breath out. stays same during exercise
expiratory reserve volume
amount of air that can be breathed out after a normal breath out. decrease during exercise
inspiratory reserve volume
amount of air that can be breathed in after a normal breath. decreases during exercise
arteries
carry blood away from heart
veins
carry blood back to heart
capillaries
allow diffusion of oxygen an CO2 between blood and muscles
oxygen dept
oxygen shortage caused by only anaerobic exercise
EPOC - excess post oxygen consumption
increased oxygen intake after anaerobic exercise