Respiratory System Essentials

Front

Main function of respiratory system

Back

Gas exchange

Front

Primary muscle for breathing

Back

Diaphragm

Front

Upper respiratory tract components

Back

Nose, pharynx, larynx

Front

Lower respiratory tract components

Back

Trachea, bronchi, lungs

Front

Site of gas exchange in lungs

Back

Alveoli

Front

Oxygen transport molecule

Back

Hemoglobin

Front

CO2 transport in blood

Back

Bicarbonate ions

Front

Breathing control center

Back

Medulla oblongata

Front

Protective lung membrane

Back

Pleura

Front

Voice box

Back

Larynx