Biology Quiz

Which system in your body helps you breathe?

• Digestive system

• Circulatory system

• Respiratory system

• Nervous system

What does the circulatory system do?

• Breaks down food

• Carries blood and oxygen throughout the body

• Helps you move

• Sends messages to your brain

Which system helps you digest your food?

• Skeletal system

• Muscular system

• Digestive system

• Respiratory system

What is the main job of the skeletal system?

• To help you move

• To protect your organs and give your body shape

• To carry messages to your brain

• To help you breathe

Which system helps you move?

• Nervous system

• Muscular system

• Circulatory system

• Digestive system

What does the nervous system do?

• Helps you think and feel

• Helps you digest food

• Helps you breathe

• Helps you move

Which system fights off germs and helps you stay healthy?

• Immune system

• Skeletal system

• Muscular system

• Digestive system

What is the largest organ in your body?

• Heart

• Brain

• Skin

• Stomach

Which organ pumps blood throughout your body?

• Lungs

• Brain

• Heart

• Stomach

Where does your body get oxygen from?

• Food

• Water

• Air

• Blood