They all enter the lung ... but the only one that quickly enters the blood is oxygen. Because oxygen is the one gas that has a higher partial pressure in "lung air" than its partial pressure in the "lung blood". Note that the blood's CO2 pressure is higher than the air in the lungs, so CO2 comes out of the blood into the lung's air.
the gases are mostly nitrogen and oxygen
Inert means non-reactive. Inert gases do not react with fluorine and oxygen except under exceptional conditions that do not occure naturally on the Earth.
nitrogen and oxygen are nonmetals and they both are gases
There both gases
The main gases in Earth's atmosphere are nitrogen, followed by oxygen.
The windpipe is the pipe in which air and gasses travel down (i.e oxygen) the gullet is the pipe which our food and drink travel down
Oxygen is removed from the alveoli by the cappillaries.
Without different gases there will be no air, if there is air, how can oxygen travel?
carbon dioxide goes out and oxygen comes in
It is part of the reproductive system. it is the opening to the birth canal
Same blood as everywhere else. The difference is the gases in the blood: it enters the lungs low on oxygen and high in CO2, it leaves high in oxygen and low in CO2.
A gas exchange is the diffusion of gases from an area of higher concentration to an area of lower concentration. An example of this is when humans breath. Oxygen enters the body by means of the airway and replaces the carbon dioxide. The carbon dioxide exits the body and replaces the oxygen on the outside of the body.
Oxygen is an element - it contains no other constituent gases.
they enter the lungs in order to obtain oxygen and get rid of carbon dioxide. this process occurs in the alveolus of the lungs by diffusion.
oxygen
they travel through the capillary which exchanges them to carbon dioxide
Hydrogen and Oxygen are gases at 20OC.