Across
- 4. A type of white blood cell that surrounds and kills microorganisms, removes dead cells, and stimulates the action of other immune system cells
- 5. the state or quality of being resistant to a particular infectious disease or pathogen
- 6. Potential a rapid sequence of changes in the voltage across a membrane
- 8. the finger-like cells present on the end of a neuron
- 9. Any substance that causes the body to make an immune response against that substance
- 10. An antibody, also known as an immunoglobulin, is a large, Y-shaped protein used by the immune system to identify and neutralize foreign objects such as pathogenic bacteria and viruses
- 14. a small colorless disk-shaped cell fragment without a nucleus, found in large numbers in blood and involved in clotting.
- 15. the fundamental units of the brain and nervous system
- 16. sheath an insulating layer, or sheath that forms around nerves, including those in the brain and spinal cord
- 17. asymmetric intercellular junctions that mediate rapid point-to-point communication between neurons, and thereby connect neurons into circuits
- 18. Impulse 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
Down
- 1. Lobe sit behind the ears and are the second largest lobe
- 2. treatment with a vaccine to produce immunity to a particular infectious disease or pathogen
- 3. chemical messengers that your body can't function without
- 7. a colorless cell that circulates in the blood and body fluids and is involved in counteracting foreign substances and disease
- 11. cleft a small gap between the axon terminal of the presynaptic neuron and the membrane of the postsynaptic cell
- 12. an organism causing disease to its host
- 13. Potential the amount of power that is available to a cell to maintain its homeostatic state