Answer:
I think brain and spinal cord
Explanation:
All together, the brain and the spinal cord serve the nervous system's command station. ... The peripheral nervous system's main job is to send information gathered by the body's sensory receptors to the CNS as quickly as possible.
They have to describe the characteristics of life hope this helps.
1. Insects
2. Arachnids
3. Worms
4. Reptiles
5. Amphibians
6. Birds
7. Mammals
8. Trees (Strangler Trees)
Hope this helps!!
(1) normally harmless cat antigens stimulated
<span>the immune system</span>
