Human Body Systems

This is the body's main control system.

• Nervous System

• Digestive System

• Muscular System

• Respiratory System

This system breaks down the food we eat so our body can use the nutrients.

• Circulatory System

• Digestive System

• Skeletal System

• Nervous System

This system supports and protects other structures.

• Circulatory System

• Skeletal System

• Respiratory System

• Muscular System

This system delivers nutrients and oxygen to all cells in the body.

• Muscular System

• Digestive System

• Nervous System

• Circulatory System

In the Respiratory System, ______ is breathed into the lungs; ______ is breathed out.

• oxygen; carbon monoxide

• carbon dioxide; oxygen

• oxygen; carbon dioxide

• smoke; oxygen

What is the main purpose of the Muscular System?

• move the body

• deliver nutrients and oxygen

• main control system

• supports & protects other structures

Which is the correct path that your Digestive System follows?

• mouth -> stomach -> esophagus -> large intestine -> small intestine

• esophagus -> mouth -> stomach -> small intestine -> large intestine

• mouth -> esophagus -> stomach -> large intestine -> small intestine

• mouth -> esophagus -> stomach -> small intestine -> large intestine

The mouth, nose, trachea, ______, and diaphragm help us breathe.

The Skeletal System is made up of _____ bones and have _____ shapes depending on their purpose.

• 206; same

• 200; different

• 260; different

• 206; different

True or False: Most Nutrients are absorbed from food in the large intestine.

• True

• False