The Cardiovascular System

Which of the following delivers oxygen to cells?

• Red Blood cells
• White blood cells
• Platelets
• Plasma

Which of the following are the blood vessels that help blood flow back toward the heart?

• Veins

• Arteries

• Capillaries

Which of the following are the tiny blood vessels that have a wall that is only 1 cell thick?

• Veins

• Arteries

• Capillaries

Which of the following are the blood vessels that have the thickest walls?

• Veins

• Arteries

• Capillaries

What is the name of the circulation between the heart and lungs?

• Diastolic
• Systemic
• Pulmonary
• Coronary

What is the name of the circulation between the heart and the body?

• Diastolic
• Systemic
• Pulmonary
• Coronary

What is the name of the part labelled 3?

• Right Atrium
• Left Atrium
• Right Ventricle
• Left Ventricle

What is the name of the part labelled 2?

• Right Atrium
• Left Atrium
• Right Ventricle
• Left Ventricle

What is the name of the part labelled 4?

• Right Atrium
• Left Atrium
• Right Ventricle
• Left Ventricle

What is the function of a valve?

• Helps blood to clot
• Keeps blood flowing in all directions
• Keeps blood flowing in one direction
• Stops blood from flowing