Physiology Year 12

What is the purpose of the left ventricle?

• Pump blood to the lungs

• Pump blood to the body

• Pump deoxygenated blood to the body

• Pump oxygenated blood to the working muscles

The heart is controlled by the...

• VCC

• CCC

• RCC

• Medulla oblongata

The SA node emits an impulse causing

The impulse is delayed at the AV node so

The vascular shunt is the...

• re-distribution of blood from one area to another

• re-distribution of SV from one area to another

• re-distribution of Q from non-vital organs to working muscles during exercise

• re-distribution of Q from one area to another

The anticipatory rise occurs...

Describe the SV graph for exercise.

The role of the AV valves in the heart is...

Vasodilation is...

When there is increased stimulation via the sympathetic nervous system, the pre-capillary sphincter muscle...