Phys Ch. 1 vocab

Card Set Information

Phys Ch. 1 vocab
2011-08-31 18:22:34

Show Answers:

  1. anatomy
    the study of the structure and shape of the body and its parts and their relationships to one another
  2. physiology
    the study of how the body and its parts work or function
  3. tissues
    consists of similar groups of cells that have a common function
  4. organ
    a structure composed to two or more tissue types that performs a specific funtion for the body
  5. organ system
    a group of organs that work together to accomplish a commom purpose
  6. organism
    the sum total of all structural levels working together
  7. itegumentary system
    the external covering of the body, or the skin
  8. skeletal system
    • - consists of bones, cartilages, ligaments and joints
    • - supports the body and provides a framework that the skeletal muscles use to cause movement
  9. Hematopoiesis
    the formation of blood cells - takes place within the caveties of the skeleton
  10. muscular system
    composed to the skeletal muscles or the large, fleshy muscles that attach to bones
  11. nervous system
    • consists of the brain, spinal cord, nerves and sensory receptors
    • allows the body to respond to irritants or stimuli coming from outside the body (like light, sound, temperature)
  12. nerve impulses
    electrical signals that send messages from the sensory receptors to the central nervous system
  13. endocrine system
    • uses glands to produce hormones and release them into the blood to travel to target organs
    • includes the pituitary, thyroid, parathyroids, adrenals, thymus, pancreas, pineal, ovaries, and testes
  14. cardiovascular system
    • heart and blood vessels
    • carries oxygen, nutrients, hormoes and other substances to and from the tissue cells where exchanges are made
  15. lymphatic system
    • lymphatic vessels, lymph nodes, & lymphoid organs like spleen and tonsils
    • return fluid leaked from the blood back to the blood vessels
    • help cleanse the blood and house immunity cells
  16. respiratory system
    • keeps the body constantly supplied with oxygen and removes CO2
    • nasal passages, pharynx, larynx, trachea, bronchi and lungs
  17. digestive system
    breaks down food and delivers the products to the blood for dispersal to the body cells