Human Body Systems

Front

What is the main organ of the respiratory system?

Back

Lungs

Front

What carries blood back to the heart?

Back

Veins

Front

What system breaks our food down so that our body can use it for energy?

Back

Digestive system

Front

What three things does food provide our body with?

Back

Energy, vitamins, minerals

Front

Arteries, veins, and capillaries are the three types of what?

Back

Blood vessels

Front

What is the function of the heart?

Back

To pump blood throughout the body.

Front

What is the role of the lungs in the respiratory system?

Back

To exchange oxygen and carbon dioxide.

Front

What is the main function of the digestive system?

Back

To break down food into nutrients.

Front

What do arteries do?

Back

Carry blood away from the heart.

Front

What is the role of capillaries?

Back

To connect arteries and veins and allow for nutrient and gas exchange.