It is located below the lungs. This part is the major muscle of respiration. It is a large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily.

• Lungs

• Alveoli

• Diaphragm

• Bronchi

These are the major organs of the respiratory system which helps provide the body with a continuous supply of oxygen.

• Diaphragm

• Lungs

• Bronchi

• Trachea

These are the hair-like tubes that connect to the alveoli.

• Alveoli

• Bronchioles

• Bronchi

• Lungs

These are the air sacs that allow gas exchange in the lungs.

• Bronchi

• Alveoli

• Trachea

• Diaphragm

These are the two branching tubes that connect the trachea to the lungs.

• Bronchi

• Lungs

• Bronchioles

• Trachea

It allows air to enter your body, then filters debris and warms and moistens the air.

• Lungs

• Nose and Nasal Passages

• Diaphragm

• Trachea

This is also known as the windpipe. It is the empty tube that serves as passageway of air into the lungs

• Lungs

• Bronchi

• Bronchioles

• Trachea