Answer: the answer is B.
I hope you learn a lesson. :)
They recycle the intestinal fluid and return it to the bloodstream <span>into the circulatory system.</span>
Answer:
The receptors are like locks and the keys to open these locks are the odor molecules that float past, explains Leslie Vosshall, a scientist who studies olfaction at Rockefeller University. People have about 450 different types of olfactory receptors.
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Quality time with them such as invited them someplace, checking in on them, doing their favorite things, just spending time with them so they don't feel as lonely.
