Circulatory System Revision Elective 9

What is the primary function of the circulatory system?

• To digest food

• To transport blood and nutrients

• To produce hormones

• To filter waste

Which organ is primarily responsible for pumping blood?

• Liver

• Kidneys

• Heart

• Lungs

What are the three types of blood vessels?

• Arteries, veins, and capillaries

• Veins, arteries, and nerves

• Capillaries, nerves, and muscles

• Arteries, veins, and lymph

Where does deoxygenated blood enter the heart?

• Left atrium

• Right ventricle

• Right atrium

• Left ventricle

What is the normal resting heart rate range for adults?

• 100 to 120 beats per minute

• 80 to 120 beats per minute

• 60 to 100 beats per minute

• 40 to 60 beats per minute

What is stroke volume?

• The volume of blood in the body

• The number of heartbeats per minute

• The amount of blood pumped by the heart in one contraction

• The pressure of blood in the arteries

How is cardiac output calculated?

• Heart rate divided by stroke volume

• Stroke volume multiplied by heart rate

• Stroke volume minus heart rate

• Heart rate plus stroke volume

What does blood pressure measure?

• The speed of blood flow

• The volume of blood in the body

• The force of blood on blood vessel walls

• The amount of blood in the heart

What is the typical healthy blood pressure reading?

• 110/70 mmHg

• 120/80 mmHg

• 130/90 mmHg

• 140/100 mmHg

What role does the circulatory system play in temperature regulation?

• It has no role in temperature regulation

• It absorbs heat from the environment

• It transports heat throughout the body

• It cools the body through sweat