Day 9 vocab

123456789101112131415161718
Across
  1. 4. the relaying of a coded signal from a nerve cell to an effector (a muscle cell, a gland cell or another nerve cell) in response to a stimulus
  2. 6. an organism causing disease to its host
  3. 10. the immune system's way of protecting the body against an infectious disease
  4. 13. chemical messengers that your body can't function without
  5. 14. the finger-like cells present on the end of a neuron
  6. 17. a gap between the pre- and postsynaptic cells that is about 20 nm (0.02 μ) wide
  7. 18. a rapid sequence of changes in the voltage across a membrane
Down
  1. 1. A tiny, disc-shaped piece of cell that is found in the blood and spleen
  2. 2. sit behind the ears and are the second largest lobe
  3. 3. A type of blood cell that is made in the bone marrow and found in the blood and lymph tissue
  4. 5. The act of introducing a vaccine into the body to produce protection from a specific disease
  5. 7. nerve cells that send messages all over your body to allow you to do everything from breathing to talking, eating, walking, and thinking
  6. 8. an insulating layer, or sheath that forms around nerves, including those in the brain and spinal cord
  7. 9. a structure that permits a neuron (or nerve cell) to pass an electrical or chemical signal to another neuron or to the target effector cell
  8. 11. A type of white blood cell that surrounds and kills microorganisms, removes dead cells, and stimulates the action of other immune system cells
  9. 12. Any substance that causes the body to make an immune response against that substance
  10. 15. A protein made by plasma cells (a type of white blood cell) in response to an antigen
  11. 16. the amount of power that is available to a cell to maintain its homeostatic state