Circulatory System Quizz

Watch the video to answer the following questions.

What is the main function of the circulatory system?

• Producing hormones

• Regulating body temperature

• Digesting food

• Transporting nutrients and oxygen throughout the body

How many chambers does the heart have?

• Three

• Five

• Two

• Four

Which blood vessels carry blood away from the heart?

• Lymphatic vessels

• Arteries

• Capillaries

• Veins

What is the function of white blood cells?

• Stopping bleeding

• Carrying oxygen throughout the body

• Protecting the body from getting sick

• Helping wounds heal

What is the main component of plasma?

• Red blood cells

• Water

• Hemoglobin

• Platelets

What is the role of capillaries in the circulatory system?

• Producing antibodies

• Carrying blood away from the heart

• Connecting arteries and veins

• Stopping bleeding

What makes blood red in color?

• Hemoglobin

• Plasma

• White blood cells

• Platelets

What is the average heart rate per minute?

• 100-120

• 60-100

• 40-60

• 20-40