2020 Health Class Review

1. Your bones are alive and make _________________.

• Oxygen

• Nerves

• Blood

• Protein

2. What is the name of the system that helps fight off germs and illness?

• Skeletal System

• Muscular System

• Central Nervous System

• Immune System

3. What is an INvoluntary action

• Something your body controls all on its own (heart beating)

• An action that happens only when you choose to do it (raising hand)

4. What is in a vaccine?

• A weakened virus or germ

• Strong white blood cells

• Harmful viruses

5. What system sends messages back and forth through nerves?

• Digestive System

• Nervous System

• Circulatory System

• Skeletal System

6. How many chambers does the heart have?

• 4

• 3

• 10

• 1

7. What does your blood do?

• Gives your body energy

• Nothing

• Carries oxygen throughout your body

• Makes your stomach work

8. What is the name of the air we breathe out?

• Oxygen

• Carbon Dioxide

• Gas

• Helium

9. When is your blood blue?

• When it is NOT mixed with oxygen

• When it IS mixed with oxygen

• Your blood is never blue

10. Carbohydrates and fats give your body _______________.

• Protein

• Blood

• Vitamins

• Energy