Circulatory System Test

What is the main function of the circulatory system?

• Regulating body temperature

• Producing hormones

• Digesting food

• Transporting blood and nutrients

What are the three types of blood vessels in the circulatory system?

• Venules, veins, lymph vessels

• Arteries, lymph vessels, venules

• Ventricles, capillaries, lymph vessels

• Arteries, veins, capillaries

What is the function of red blood cells?

• Carrying oxygen-rich blood away from the heart

• Fighting bad bacteria and viruses

• Transporting gases to and from the cells

• Helping in blood clotting

Which blood vessels carry oxygen-rich blood away from the heart?

• Capillaries

• Arteries

• Veins

• Lymph vessels

What is the function of white blood cells?

• Carrying oxygen-rich blood away from the heart

• Transporting gases to and from the cells

• Fighting bad bacteria and viruses

• Helping in blood clotting

What is the smallest blood vessel in the circulatory system?

• Veins

• Arteries

• Capillaries

• Lymph vessels

During a biology class, Abigail asked the teacher, 'What is the movement of deoxygenated blood from the heart and into the lungs called?'

• Pulmonary circulation

• Systemic circulation

• Cardiac circulation

• Pulmonary ventilation

What is the average heartbeat of a human?

• 80-100 times per minute

• 60-80 times per minute

• 40-60 times per minute

• 20-40 times per minute

How many chambers does the heart have?

• Three

• Two

• Five

• Four

What is the main function of the left and right atrium of the heart?

• Pumping oxygen-poor blood to the lungs

• Pumping oxygen-rich blood to the body

• Pumping oxygen-poor blood to the body

• Receiving used blood from all parts of the body