Respiratory System

Two short tubes that carry air into the lungs

• Trachea
• Bronchioles
• Lungs
• Bronchi

Clusters of tiny air sacs that allow the exchange of oxygen and carbon dioxide

• Pharynx
• Diaphragm
• Alveoli
• Lungs

Muscular structure that helps to expand and contract the lungs, forcing air in and out

• Pharynx
• Nasal cavity
• Alveoli
• Diaphragm

Smaller tubes within the lungs

• Bronchioles
• Bronchi
• Lungs
• Alveoli

What is the function of the respiratory system

• Take in O2 only
• Remove CO2 only
• Take in O2 ad remove CO2
• Make sugar

What do we take in when we inhale?

• carbon dioxide

• oxygen

• lungs

What do we let out when we exhale?

• oxygen

• Carbon dioxide

• lungs

Inhale!!!!
Your lungs are ___________  air

• taking in
• letting out

EXHALE!!!
My lungs are __________________ air. 

• taking in
• letting out

What are the main organs of gas exchange in the respiratory system?

• diapragm
• lungs
• trachea
• bronchi