The Human Body System

What is the main function of the circulatory system?

• To move blood throughout the body

• To break down food into nutrients

• To allow us to breathe

• To control body movements

Which organ is NOT part of the respiratory system?

• Heart

• Lungs

• Trachea

• Diaphragm

Where are nutrients absorbed in the digestive system?

• Mouth

• Esophagus

• Stomach

• Intestines

What does the diaphragm help with?

• Pumping blood

• Breaking down food

• Pushing air in and out of the lungs

• Absorbing nutrients

Which system is responsible for removing waste products from cells?

• Circulatory system

• Respiratory system

• Digestive system

• Nervous system