Yes, absolutely, but so is a bridge. It is easiest to say that a lung , along with the hundreds of other physiological structures , is a biochemical, biophysical assemblage that has resulted in, after hundreds of millions of years, our ability to breathe.
physical structure
physical structure is geology and geology is a movement in the earths crust which is also physical structure.
The structures in the lungs enable the lungs to exchange oxygen for carbon dioxide in the blood. The structure are also designed to help the lung protect themselves from irritants.
The Physical Structure Of A Common Cold Is .....
The Physical Structure Of A Common Cold Is .....
the air goes through the pharnyx then the trachea and into the lungs
The diaphragm
The trachea.
Chemical changes are considered unseen because they occur at the atomic level, changing the actual structure of the thing. This is in comparison to a physical change, which is visible.
Chemical changes are considered unseen because they occur at the atomic level, changing the actual structure of the thing. This is in comparison to a physical change, which is visible.
Chemical changes are considered unseen because they occur at the atomic level, changing the actual structure of the thing. This is in comparison to a physical change, which is visible.
Reptiles breathe by means of their lungs. Their respiratory system is similar to ours in structure.