cardio system Flashcards
what are the two main functions of the heart
supply the body with oxygenated blood
remove waste products from the blood such as carbon dioxide
what is heart rate?
the amount of times your heart beats a minute
what is the average resting heart rate
72bpm
is it good to have a high heart rate
no
what is it called when your heart rate is below 60
Brady cardio
when is adrenaline released?
prior to exercise which increases heart rate
what are the heart double beats
first- emptying ventricles
second - emptying atria
what is systolic pressure
amount of pressure in the arteries when the heart contracts
what is diastolic pressure
amount of pressure when the heart is at rest
what is the pulse pressure
difference between diastolic and systolic pressure
what is the cardiovascular system
blood heart arteries veins red blood cells capillaries