cardiovascular system Flashcards
what three parts make up the cv system?
- blood
- blood vessels
- heart
what are the main functions of the cv system?
- deliver oxygen to working muscles
- remove waste products like lactic acid and carbon dioxide
- return blood to lungs for oxygenation
what is cardiac output?
the amount of blood pumped out of the heart per minute
what is the equation to work out cardiac output?
cardiac output= hr x sv
what is heart rate definition?
the number of times the heart beats per minute
what is stroke volume definition?
the amount of blood pumped out of the heart per beat
what is recovery rate?
the amount of time it takes for the heart to return to resting after exercise
what is the cardiac cycle?
once cycle of diastole and systole ( one heartbeat)
what is systole?
when the heart contracts and pumps blood out
what is diastole?
when the heart relaxes and the chambers fill with blood
what is anticipatory rise?
the slight increase in heart rate before exercise