The transport system

Option H5

H.5.1: The events of the cardiac cycle

cardiac cycle link heart action animation
Cardiac cycle of the heart

H.5.2: Pressure changes in the heart during the cardiac cycle

Pressure Changes during Cardiac cycle

H.5.3: Control and Action of the heart

heart electrical system link heart electrical system animation
Control and Action of the heart

H.5.4: Atherosclerosis and a coronary thrombosis

What causes atherosclerosis?

Place your mouse pointer on the figure below to show the cause of atherosclerosis.

atherosclerosis link heart electrical system animation
artheriosclerosis

How does a coronary thrombosis form?

Place your mouse pointer on the figure below to show a thrombosis causing partial blockage.

Click on the image to show a complete thrombosis causing complete blockage.

Formation of a coronary thrombosis

Can you explain how atherosclerosis and a coronary thrombosis develop?

Show explanation for Atherosclerosis | Hide explanation for Atherosclerosis
Control and Action of the heart

H.5.5: Factors that affect the incidence of coronary heart disease.

Factors of heart disease
Back to top of page

Valid XHTML 1.0 Strict Valid CSS!