BJU Science

3. fast-acting defense against a pathogen caused by a previous infection by the pathogen
6. a small gap between an axon and a dendrite
7. pick up information and transmits it to your brain or spinal cord
8. an introduction of antibodies from outside the body to help defend against a type of pathogen
12. routes a signal directly to the motor neuron
13. carry signals from your brain or spinal cords to the parts of your body
14. attacks the foreign organisms

1. Long-term resistance to a disease
2. responsible for controlling concious activities
4. helps coordinate muscle
5. reacts against specific antigens
6. information the body can react to
9. pick up information and transmit it to your brain or spinal cord
10. an immediate, inborn, involuntary reaction to a stimulus
11. the part of the central nervous system that extends down the back and relays impulses between the brain and the rest of the body
15. any foreign substance in the body