Thanks to the members, staff, volunteers and FANS who joined us for the big announcement this morning. And thanks to each and every one of you who voted and helped make Wonders of Wildlife the Number One Best New Attraction in America! 40K Views Wonders of Wildlife updated their cover photo.
The human respiratory system is a series of organs responsible for taking in oxygen and expelling carbon dioxide. The primary organs of the respiratory system are lungs, which carry out this exchange of gases as we breathe. Red blood cells collect the oxygen from the lungs and carry it to the parts of the body where it is needed, according to the American Lung Association.
Anatomy and Function of the Respiratory System. The human respiratory system is divided into the upper and lower respiratory tracts. Upper respiratory tract. The major passages and structures of the upper respiratory tract include the nose or nostrils, nasal cavity, mouth, throat (pharynx), and voice box (larynx).