OLFACTION has at least 1,000 genes, and. "these receptors...crop up all over our bodies. In 2003, bitter taste receptors were found in sperm... scent receptors in the kidney, biologists ... identified sour receptors in the spine... Papers... reported sweet taste receptors in the bladder and the gut, bitter taste receptors in the sinuses, airways, pancreas and brain, and scent receptors in muscle tissue... our bodies are “smelling” and “tasting” things deep inside of us, and that these abilities are crucial to our health". http://lnkd.in/b4XiePB View in LinkedIn