M1 Unit 3 review

M1 Unit 3 Review

​How do you get from place to place in your car?

Cars need roads and highways to get to where they need to go.

​Your blood carries important things for your body like oxygen and nutrients. Like your car, blood also needs a way to move around the body.

​Blood moves through the body through tubes called blood vessels. There are three types of blood vessels: Arteries, veins and capillaries.

Multiple Choice

What are the tubes that carry blood called?

• artery

• vein

• blood vessels

• capillaries

Multiple Choice

What is the purpose of blood vessels?

• To keep blood in one place

• To carry blood through the body

• to push food through the digestive system

• to carry carbon dioxide to the cells

​Arteries carry oxygenated blood away from the heart.

Veins carry deoxygenated blood towards the heart.

capillaries connect the arteries to the veins.

​Oxygenated blood has a lot of oxygen from the lungs.

Deoxygenated blood has lost most of its oxygen and has waste from cells like carbon dioxide.

​Your circulatory system need a motor.

​Like your car, your blood needs something to make it move.

​Your heart is the pump that pushes blood through the blood vessels. It is made of muscle. The heart has 4 chambers, two upper and two lower. The left side of the heart has oxygenated blood and the right side has deoxygenated blood.

Multiple Choice

How many chambers does the heart have?

• two upper and

  three lower

• two upper and two lower

• 4 upper

• 4 lower

Multiple Choice

What is the heart made of?

• lung tissue

• elastic tissue

• muscle tissue

• iron

Multiple Choice

Which two chambers carry blood flow away from the heart to the rest of the body?

• left upper and left lower

• right upper and left lower

• right lower and right upper

• left lower and right upper

Multiple Choice

Which two chambers carry deoxygenated blood?

• left upper and left lower

• right upper and right lower

• right upper and left lower

• left upper and right lower

Multiple Choice

What does the heart do?

• keeps blood still

• helps you breathe

• helps breakdown food

• pumps blood through the body