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

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

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

• Alveoli

• Lungs

• Nasal Cavity

• Pharynx

Two short tubes that carry air into the lungs

• Trachea

• Bronchioles

• Lungs

• Bronchi

When bronchial tubes are irritated and swell (causing excessive coughing)

• Bronchitis

• Lung cancer

• Asthma

• Emphysema

When alveoli in the lungs enlarge and cant push oxygen to the blood

• Bronchitis

• Lung cancer

• Asthma

• Emphysema

What is the function of the respiratory system

• Take in O2 only

• Remove CO2 only

• Take in O2 ad remove CO2

• Make sugar