Respiratory System

This is a tube about 12cm long with c-shaped rings of cartilage to keep it open

• Nasal cavity
• Trachea
• Mouth Cavity
• Pharynx

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, changing pressure levels to cause air movement.

• Pharynx

• Nasal cavity

• Alveoli

• Diaphragm

This is a tube-like passage used for food, liquid, and air

• Larynx

• Trachea

• Pharynx

• Lungs

Passage that moistens the air and has hairs to trap dust and particles

• Nasal cavity

• Bronchi

• Mouth cavity

• Larynx

Bronchial tubes contract quickly causing shortness of breath, coughing, and wheezing

• Bronchitis
• Emphysema
• Lung cancer
• Asthma

Alveoli increase the surface area in the lungs to allow...

• More nutrients to be absorbed

• You to breathe faster

• You to breathe slower

• More O₂ and CO₂ to exchange

Membrane layer which covers the lungs

• Visceral pleura
• Alveolar Ducts
• Alveoli
• Bronchi

Illness of the lungs where the alveoli become inflamed and filled with fluid

• Lung cancer
• Bronchitis
• Pneumonia
• Emphysema