Lungs assist the intake and exhalation of air.
To protect vital organs, like the lungs and hearts
The skin has three main functions: protection, regulation and sensation.
Basically for passage of airway from mouth and nose to the lungs for oxygenation.
logistical functions
It collects the blood returning from the body in the veins and sends it to the lungs.
providing the body with oxygen and expelling carbon dioxide
for life
The three main parts of the lungs are the bronchi (airways that carry air in and out of the lungs), the bronchioles (smaller airways that branch off from the bronchi), and the alveoli (tiny air sacs where gas exchange takes place).
The three main breathing organs in humans are the lungs, diaphragm, and the respiratory system. The lungs are responsible for exchanging oxygen and carbon dioxide with the bloodstream, the diaphragm helps to expand and contract the lungs, and the respiratory system includes the airways that transport air into and out of the lungs.
To transport , protect and regulate .
variability