Carbon dioxide enters the blood at the systemic capillaries. Here, some of the carbon dioxide binds to the globin region of hemoglobin. The systemic capillaries function to carry oxygenated blood for the tissues of the body. As it enters these capillaries, blood would lose oxygen and in return gain CO2 molecules due to the difference in pressure of the tissues and the blood.
I believe the force is called diffusion.
Dr. Jemison, the first woman of color in the world to go into space, served six years as a NASA astronaut. She flew aboard the Space Shuttle Endeavour, STS-47 Spacelab J(apan) mission in September 1992 and was NASA’s first Science Mission Specialist performing experiments in material science, life science and human adaptation to weightlessness.
Can be extremely corrosive