BRAINCAKEArteries
The function of arteries is to transport blood rapidly under high pressure from the heart to the tissues. The muscle layer is thick compared to the veins. This means that smaller arteries can be constricted and dilated in order to control the volume of blood passing through. The elastic layer is relatively thick compared to veins.
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Key terms in this lesson
- systole
- The phase of the cardiac cycle during which the heart muscle contracts.
- diastole
- The phase of the cardiac cycle during which the heart muscle relaxes and the chambers fill with blood.
More in Mass Transport in Animals
- Valves and Control of Blood Flow
- Pressure and Volume Changes
- Cardiac Output
- Blood Vessels
- Arterioles
- Veins and Venules
- Capillaries
- Tissue Fluid
All 27 lessons in Mass Transport in Animals · All AQA AS-level Biology topics