<span>Lungs take in air, and diffuse (absorb) air into the capillaries of the blood. However, this process is two steps, one for inhalation and one for exhalation. Diffusion takes place in both processes, and serves different purposes. One is to absorb oxygen, the other is to rid co2.</span>
Cell nucleus chromosomes DNA and gene in that order... I think
Robert hooke discovered small compartments that he called cells
According to the phylogenetic tree, Eukarya evolve <u>First in the Prokaryotic Organisms.</u>
Both were powerful nations and they served as trading hubs in their respective regions during that time.
