The key to using gum colour as a way of identifying health problems in your pet is to know the normal gum colour of your pet so you can identify when that colour changes in some way. Blue or purple gum colour in dogs and cats usually indicate cyanosis. Cyanosis is caused by poor oxygenation of the blood or more specifically poor clearance of carbon dioxide from the blood.
Endocrine hormone. A chemical substance that is produced by an endocrine gland and then secreted directly into the blood stream and carried throughout the body where they bind to a target organ cell with specific receptors triggering a reaction. Hyperglycemic Hormone. Promotes a rise in the blood glucose levels.
Nope! The Endocrine system is a group of glands throughout your body that regulate the release of various hormones, some of which do aid in reproduction. The endocrine system controls the glands that control growth, metabolism, sleep, mood, body temperature, and so many other things. The Reproductive system are several organs differing in Males and Females that mature at puberty (thanks to the endocrine system). So the endocrine system are several glands controlled by various parts of your brain (hypothalamus, pineal gland, pituitary gland, etc.), while the reproductive system is a group of organs.