4 because if you have a infection it causes you not to breath properly
Olafactory bulbs because it has to do with nerve signals and neurons. Brain because it is the center of the nervous system and the closest to the nose in terms of the nervous system.
What he did was say that evolution happened that over time the birds seemed to be changing
The dissolved sugars produced in the leaves of a maple tree move to the roots through the<em><u> phloem</u></em>. It is a tissue that transports nutrients to where it is needed
Hope it helps:)
