16th May '22

B2.1 Keywords

B220
  1. Hormones (1) - B2:1
    • A chemical substance produced in the body that controls and regulates the activity of certain cells or organs.
  2. Gland (1) - B2:1
    • A gland is a group of cells in an animal's body that makes substances like hormones.
  3. Insulin (1) - B2:1
    • A hormone, produced by the pancreas, that regulates glucose concentrations in the blood.
  4. Dialysis (1) - B2:1
    • A procedure to remove waste products and excess fluid from the blood when the kidneys stop working properly.
  5. Negative Feedback Cycle (1) - B2:1
    • A reaction that causes a decrease in function
  6. Synapse (1) - B2:1
    • A tiny gap at the junction between two nerve cells, which nerve signals must cross.
  7. Receptor (1) - B2:1
    • An organ or cell able to respond to light, heat, or other external stimulus and transmit a signal to a sensory nerve.
  8. Risk Factor (1) - B2:1
    • Any attribute, characteristic or exposure of an individual that increases the likelihood of developing a disease or injury.
  9. Diuretic (1) - B2:1
    • Any substance that promotes dieresis, the increased production of urine.
  10. Relay Neurone (1) - B2:1
    • Carry messages from one part of the CNS to another.
  11. Sensory Neurone (1) - B2:1
    • Carry signals from receptors to the spinal cord and brain.
  12. Motor Neurone (1) - B2:1
    • Carry signals from the CNS to effectors.
  13. Homeostasis (1) - B2:1
    • The maintenance of steady conditions. The ability of the body to maintain a constant internal environment, e.g. temperature and blood glucose concentration.
  14. Nervous system (1) - B2:1
    • The network of nerve cells and fibers which transmits nerve impulses between parts of the body.
  15. Effector (1) - B2:1
    • The organ, tissue or cell that produces a response.
  16. Central Nervous System (1) - B2:1
    • The part of the nervous system made up of the brain and spinal cord.
  17. Reflex Arc (1) - B2:1
    • The pathway of information from a sensory neuron through an inter neuron to a motor neuron.
  18. Impulse (1) - B2:1
    • The signal that travels along the length of a nerve fiber.
  19. Neurone (1) - B2:1
    • a specialized cell transmitting nerve impulses; a nerve cell.
  20. Stimulus (1) - B2:1
    • a thing or event that evokes a specific functional reaction in an organ or tissue.
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