Examlex
The weathering process that is caused by contact with oxygen that often turns the rocks a reddish-orange is called
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.
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