Milestone 2 - The circulatory system

The horse has what type of circulatory system?

• Single

• Double

The top chambers of the heart are known as what?

The lower chambers of the heart are known as what?

What part of the heart is the arrow pointing to?

What is the function of valves?

• To attach the different sections of the heart together

• To stop foreign objects from passing through the heart

• To stop the blood from flowing backwards

• To prevent blood from leaving the heart

Tricuspid valves are found on which side of the heart?

• Right

• Left

Bicuspid valves are found on which side of the heart?

• Right

• Left

Note the step-by-step process of a heartbeat