Circulatory system ...

What are the 3 main components to the circulatory system?

• blood

  blood vessels

  lungs

• blood

  blood vessels

  heart

• blood

  veins

  lungs

• arteries

  blood vessels

  lungs

How many compartments are there in the heart?

• 3

• 5

• 8

• 4

Why is the left hand side of the heart a little bigger and stronger?

• because it leans to the left

• because the left hand side is full of fat

• because it pumps blood to the lungs

• because it pumps blood all around the body

What is the purpose of the circulatory system?

• to help us breath

• to transport acid

• to transport oxygen and nutrients

• to help us move

What does circulatory mean?

• movement of blood around a body

• movement of a body

• movement of air in the lungs

• to build muscle

Which of these is not a system in the human body?

• respiratory

• exoskeleton

• muscular

• nervous

Which way does the blood flow through arteries?

• into the heart

• away from the heart

What do valves do in the heart?

• pump blood through the veins

• nothing

• stop blood flowing backward

• block the blood

Blood returning to the heart from the lungs will be full of ______

Why does our heart rate increase?

• because we are tired

• because we need more oxygen to our muscles

• because my feet hurt

• because we're asleep