cardiac cycle

Question 1

what does systole mean

Answer 1

ejection of the blood

Question 2

what does Diastole mean

Answer 2

filling of the heart

Question 3

what does Gaseous Exchange mean

Answer 3

blood picking up and dropping off oxygen/carbon dioxide

Question 4

what does cardiac output mean

Answer 4

Volume of blood that the heart is able to pump out litres per minute

Question 5

how do you calculate cardiac output

Answer 5

Cardiac Output (Q) = Stroke Volume x Heart Rate

Question 6

what does stroke volume mean

Answer 6

Volume of blood that the heart is able to pump out per beat

Question 7

what do heart valves do

Answer 7

Valves help to direct the
flow of blood and stop the
blood flowing backwards.

Valves open due to pressure
and close to prevent back
flow

Question 8

what is the pulmonary system

Answer 8

this circuit
carries blood from the heart
to the lungs and back

Question 9

what is the systemic circuit

Answer 9

this circuit carries
blood from the heart to the
rest of the body and back to
the heart

Question 10

how is heart rate measured

Answer 10

Heart rate is measured in beats per minute (BPM)