EMTB-11 Ch4 Nervous, Digestive, other

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EMTB-11 Ch4 Nervous, Digestive, other
2010-11-23 14:56:56
Chapter4 Nervous Digestive Systems other

Nervous, Digestive, other
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  1. Nervous System
    system of the brain, spinal cord, and nerves that govern sensation, movement, and thought.
  2. central nervous system (CNS)
    brain & spinal cord
  3. peripheral nervous system
    nerves that enter and leave the spinal cord and travel between the brain and organs without passing through the spinal cord.
  4. autonomic nervous system
    division of the peripheral nervous system that controls involuntary motor functions.
  5. digestive system
    system by which food travels through the body and is digested, or broken down into absorbable forms.
  6. stomach
    muscular sac between the esophagus and the small intestine where digestions of food begins.
  7. small intestine
    muscular tube between the stomach and large inestine, divided into the duodenum, the jejuunum, and the ileum, which receives partially digested food from the stomach & continues digestion. Nutrients are absorbed by the body through its walls.
  8. large intestine
    the muscular tube that removes water from waste products received from the small intestine and removes anything not absorbed by the body toward excretion from the body.
  9. liver
    largest internal organ of the body, produces bile to assist in the breakdown of fats and assists in the metabolism of various substances in the body.
  10. gallbladder
    a sac on the underside of the liver that stores bile produced by the liver.
  11. pancreas
    a gland located behind the stomach that produces insulin and juices that assist in digestion of the small intestine.
  12. spleen
    organ located in the left upper quadrant of the abdomen that acts as a blood filtration system and a reservoir for reserves of blood.
  13. appendix
    small tube located near the junction of the small & large intestines in the right lower quadrant of the abdomen, the function of which is not well understood. It's inflammation called appendicitis, is a common cause of abdominal pain.
  14. skin
    layer of tissue between the body and the external environment.
  15. epidermis
    outer layer of skin.
  16. dermis
    inner (second) layer of skin, rich in blood vessels and nerves, found beneath the epidermis.
  17. subcutaneous layers
    layers of fat and soft tissues found below the dermis.
  18. endocrine system
    system of glands that produce chemicals called hormones that help to regulate many body activities and functions.
  19. insulin
    hormone produced by the pancreas or taken as a medication by many diabetics.
  20. epinephrine
    hormone produced by the body. As a medication, it dilates respiratory passages and is used to relieve severe allergic reactions.