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.
hope it helps
please mark Brainliest
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.