IDENTIFICATION -Preclassic or Formative Period

question 45

Short Answer

IDENTIFICATION
-Preclassic or Formative period

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Definitions:

Glial Cells

The second of two types of cells in the nervous system; glial cells (also called glia) provide support, nutritional benefits, and other functions and keep neurons running smoothly.

Sclerenchyma Cells

Thick-walled, lignified plant cells that provide structural support and are found in regions of secondary growth.

Sensors

Devices or instruments that detect and respond to some type of input from the physical environment, such as light, heat, motion, moisture, pressure, or any one of a great number of other environmental phenomena.

Sympathetic Nervous System

Part of the autonomic nervous system that prepares the body for physical activity and is often referred to as the "fight or flight" system.