Question

1. the three functional layers of the brain _____.

are the occipital lobe, limbic system, and central core
are composed of neurons that extend to all parts of the body
work independently
send motor signals to the spine

Explanation:

The three functional brain layers (central core, limbic system, cerebral cortex) are all made of neurons that connect to and communicate with all body regions. The occipital lobe is only one part of the cerebral cortex, not a full functional layer. The layers work interdependently, not independently, and only specific motor regions (not all three layers) send signals to the spine.

Answer:

are composed of neurons that extend to all parts of the body