Does salamanders give positive/negative feedback while their limb is cut off. Does salamanders give positive/negative feedback when they regenerate.

Please don't put random links and files.

D.) domain, kingdom, phylum, class, order, family, genus then species

the glands which are associated with each description is given below:

pancreas - is an endocrine and exocrine gland that secretes juices with enzymes for digestion. salivary glands- with protection and digestion in the mouth. liver- secretes bile for digestion.   lachrymal glands - secrete tears to moisten eyes and protect them from particles and infection.   sweat gland -regulates water, salt, and temperature. oil glands - to form a protective barrier on the skin.   goblet cells - secrete mucus for protection.

The direction a chemical reaction occurs is represented by an arrow