Lower Respiratory System

Windpipe; located below the larynx;

surrounded with hyaline cartilage

• trachea

• bronchi

• alveoli

found at the end of the trachea; the entry point of the air to the lungs;

divided into smaller branches

• diaphragm

• alveoli

• bronchi

• lungs

smaller branches of the bronchi

• bronchioles

• bronchus

• bronchio

grape-like structures at the tip of bronchioles;

where the actual site of the gas exchange happens

• bronchi

• alveoli

• lungs

• trachea

major organ of the respiratory system; has pairs of large, spongy organs

• bronchi

• lungs

• diaphragm

dome-shaped; beneath the lungs; accommodates

the inhaled air and moves up when exhaling

• epiglottis

• trachea

• alveoli

• diaphragm