MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Earn 100

Explain why our pulse rate is the same as our heart rate?

Important Questions on Transport in Animals
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Look at the given image and say how many heart beats are shown on the ECG trace?

HARD
Upper Secondary: IGCSE
IMPORTANT
Work out how long one heart beat lasts. (You need to measure between two identical points on two consecutive beats =for example between Q points - and then use the scale to convert this to seconds).

HARD
Upper Secondary: IGCSE
IMPORTANT
Why does your heart need to beat faster when you do exercise?

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Where and what is pacemaker?

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Explain what makes your heart beat faster when you exercise.

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Describe and explain the action of the atrioventricular valves during ventricular systole.

EASY
Upper Secondary: IGCSE
IMPORTANT
Which type of blood vessels carry blood away from the heart?

EASY
Upper Secondary: IGCSE
IMPORTANT
