The major glands of the endocrine system are the hypothalamus, pituitary, thyroid, parathyroids, adrenals, pineal body, and the reproductive organs (ovaries and testes).The pancreas is also a part of this system; it has a role in hormone production as well as in digestion.The endocrine system is regulated by feedback in much the same way that a thermostat regulates the temperature in a room.he major glands of the endocrine system are the hypothalamus, pituitary, thyroid, parathyroids, adrenals, pineal body, and the reproductive organs (ovaries and testes).
herb â(plural herbs) 1  Any green, leafy plant, or parts thereof, used to flavour or season food. 2  Plant whose roots, leaves or seeds, etc. are used in medicine. ( 3 slang, euphemistic) Marijuana. ( 4 botany) A plant whose stem is not woody and does not persist beyond each growing season. ( obsolete) Grass; herbage.
Herbs refer to the leafy green parts of a plant (either fresh or dried), while a  spice  is a product from another part of the plant (usually dried), including seeds, berries, bark, roots and fruits. In American botanical English the word herb is also used as a synonym of  herbaceous plant .Herbs have a variety of uses including culinary, medicinal, and in some cases spiritual usage. General usage of the term herb differs between culinary herbs and medicinal herbs.n medicinal or spiritual use any of the parts of the plant might be considered herbs, including leaves, roots, flowers, seeds, resin, root bark, inner bark (and cambium), berries and sometimes the pericarp or other portions of the plant.