9A/5B.2 Human 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, forcing air in and out

• Pharynx
• Nasal cavity
• Alveoli
• Diaphragm

Smaller tubes within the lungs

• Bronchioles
• Bronchi
• Lungs
• Alveoli

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

• Nasal cavity
• Bronchi
• Mouth cavity
• Larynx

What is the function of the respiratory system

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

Made up of spongy, elastic tissue that stretches as you breathe

• Alveoli
• Lungs
• Nasal Cavity
• Pharynx

This is the airway that has two pairs of vocal chords attached to it

• Lungs
• Diaphragm
• Pharynx
• Larynx

Membrane layer which covers the lungs

• Visceral pleura
• Alveolar Ducts
• Alveoli
• Bronchi