Heart Valve & Action

Multiple Choice

What is the function of valve?

• To push blood the opposite way

• To prevent blood from moving backwards

• To lower down the blood pressure

Multiple Choice

Which valves prevent blood from flowing back to the atria?

• semi-lunar valves

• atrioventricular valves

Fill in the Blank

The function of semi-lunar valves is to prevent blood from flowing back to the

Draw

Shade the right and left atrium muscles.

Draw

Shade the right and left ventricle muscles.

Multiple Choice

Which ventricle muscle has a bigger muscle?

• Left ventricle

• Right ventricle