Heart and Circulatory System Review

Which part of the body tells the heart when to beat?

• Lungs

• Liver

• Brain

• Stomach

True or False: The cardiovascular system is responsible for delivering oxygen to muscles for energy.

• True

• False

• Sometimes

• Rarely

What is the largest artery in the body?

• Aorta

• Pulmonary artery

• Femoral artery

• Coronary artery

What is the role of arteries in the circulatory system?

• To carry oxygen-rich blood away from the heart.

• To carry carbon dioxide-rich blood to the heart.

• To filter blood and remove waste products.

• To transport nutrients to the body's cells.

What is the purpose of the heart valves?

• To allow blood to flow freely in one direction.

• To prevent the backflow of blood in the heart.

• To increase the pressure of the blood in the heart.

• To regulate the heart rate.

What is the process called when the heart beats?

• Cardiac cycle

• Respiratory cycle

• Blood circulation

• Heart rhythm

What is the function of red blood cells?

• To carry oxygen from the lungs to the rest of the body.

• To fight infections and diseases.

• To transport nutrients and hormones throughout the body.

• To regulate body temperature.

How many chambers does the heart have?

• 2

• 3

• 4

• 5

What are the two main types of blood vessels in the circulatory system?

• Arteries and veins.

• Capillaries and arteries.

• Veins and lymphatics.

• Arteries and capillaries.

What is the function of white blood cells?

• To transport oxygen throughout the body.

• To fight infections and protect the body.

• To aid in digestion and nutrient absorption.

• To regulate body temperature.