Oxygen and Carbon Dioxide are the two gases being exchanged in the alveoli. Carbon Dioxide diffuses blood into the air, and oxygen diffuses from the air in the alveoli into the blood.
<span>Creativity helps a scientist by allowing him or her to
write more interesting lab reports, draw better diagrams for reports, look at old problems in new ways and pick interesting observations to include as data.</span>
You should reask this question and put a picture so that we can understand it better :)
