Cardiovascular System - The Heart

What are the two main components of the cardiovascular system?

• Heart and lungs

• Heart and blood vessels

• Lungs and blood vessels

• Brain and heart

How many chambers does the heart have?

• Two

• Three

• Four

• Five

The two upper chambers of the heart are called:

The two lower chambers of the heart are called:

Which chamber of the heart receives deoxygenated blood from the body?

• Left atrium

• Right atrium

• Left ventricle

• Right ventricle

What is the function of the atrioventricular (AV) valves?

• To pump blood into the lungs

• To ensure unidirectional flow of blood

• To oxygenate the blood

• To filter the blood

What color is used to display deoxygenated blood in diagrams?

• Red

• Blue

• Green

• Yellow

What is the role of heart valves?

• To increase blood pressure

• To prevent retrograde flow of blood

• To decrease heart rate

• To oxygenate the blood

Which valve is located between the right atrium and right ventricle?

• Mitral valve

• Pulmonary valve

• Tricuspid valve

• Aortic valve

What is another name for the left bicuspid AV valve?

• Tricuspid valve

• Mitral valve

• Semilunar valve

• Coronary valve