o2 co2
O2 and CO2
Oxygen and carbon dioxide are exchanged by way of the circulatory system. Cells use oxygen for energy and produce carbon dioxide as a waste. Capillaries are where this exchange occurs. Veins carry this product back to the heart. This blood goes to the lungs were you blow off the carbon dioxide and take in oxygen. So the circulatory system and lungs work together to exchange gases.
oxygen + carbon dioxide
The pulmonary circulation works closely with the respiratory system at the alveoli. There, capillaries are in close proximity to the air sacs, and gases are exchanged at this point.
oxygen and carbon dioxide
Oxygen and carbon dioxide in the alceoliCO2 and O2
Carbon-di oxide are you a fool bozo
The function of the respiratory system is to exchange oxygen and carbon dioxide. You breath in air that is rich in oxygen and your lungs move it into the blood to go throughout your body. Then your lungs extract carbon dioxide from the blood and you breath it out.
At the aveoli, the blood transfers CO2 and the hemoglobin on red blood cells picks up 02.
carbon dioxide goes out and oxygen comes in
Hydrogen and helium were the two primary gases present during the formation of our solar system. These gases dominated the early solar nebula from which the Sun and the planets eventually condensed.
In a barter system commodities are exchanged with commodities without the use of money. But in such a system two parties are required who are ready to buy and sell each other’s commodities. It is a primitive system.