inhaling and exhaling

The body system that takes in oxygen from the air.

• Circulatory System

• Cardiovascular System

• Respiratory System

• Muscular System

The release of energy in the cells by the combination of food and oxygen is called

• Respiration

• Energy

• Inhaling

• Exhaling

Tiny air sacs where gas exchange occurs in the lungs.

• Inhaling

• Balloons

• Alveoli

• Bronchial Tubes

Taking air into the body through the respiratory tract.

• Inhaling

• Exhaling

• Mouth

• Nose

Letting air out of the body through the respiratory tract.

• Exhaling

• Inhaling

• Nose

• Trachea

Main Part of the respiratory system. Puts oxygen into the bloodstream.

• Mouth

• Nose

• Lungs

• Trachea

Muscle that moves up and down to expand the lungs. This helps you breathe.

• Heart

• Lungs

• Diaphragm

• Aveoli