It indicates that our ancestors had a different build than humans of today.
Hi!
The answer is <span>D. Epinephrine widens the air passageways in the lungs.
Hope this helps!
-Payshence xoxo
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Answer:
I am pretty sure it's D.
Explanation:
a short branched extension of a nerve cell, along which impulses received from other cells at synapses are transmitted to the cell body.
<span>One process wherein diffusion is important is the concentration of salt within a cell. When the salt levels are too high within the cell, salt molecules are moving via diffusion to a region of lower concentration. Another process is the movement of carbon dioxide in plant cells, where CO2 moves from regions of high concentration to regions of low concentration.</span>
