Please Define the Following Key Terms

question 48

Essay

Please define the following key terms. Show Who? What? Where? When? Why Important?
-agricultural revolution

---

Definitions:

Myelinated axons

Nerve fibers surrounded by a protective myelin sheath, facilitating faster transmission of electrical signals in the nervous system.

Vertebral level

Relates to the specific position of a vertebra in the spine, often used to identify particular spinal nerves or injuries.

Spinal cord

A long, thin, tubular bundle of nervous tissue and support cells that extends from the brain to the lower back, transmitting neural signals between the brain and the rest of the body.

First lumbar vertebra

The topmost vertebra of the lumbar section of the spine, which supports the lower back.