The Heart and Circulation

Activity One:
Click through the animation and create a flow chart summarising the cardiac cycle.

Activity Two:
Note down the main characteristics of the different regions of the heart.

Activity Three:
Use the animation below to label a diagram of a heart

Activity Four:
Use the animation below to explain why we describe humans as having a double circulatory system.

Activity Five:
Examine the animations below. What is a valve, how do they work and where do you find them?

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