Irritability in Living Organisms: How Life Detects and Responds
All living things sense the world around them. Touch a hot pan, and your hand pulls back fast. Shine a light, and a housefly darts away. Pl...
Showing posts with label Reflex Arc. Show all posts
Showing posts with label Reflex Arc. Show all posts
Dec 3, 2014
Oct 1, 2009
The Reflex Arc: How Your Body Reacts in an Instant
The fastest movement your body makes is one you never decide to make. Touch something sharp and your hand is already gone. A reflex did that...
The Spinal Cord: Structure, Reflexes, and Why Length Misleads
The spinal cord looks like a simple cable. It behaves like nothing of the sort. It is about as thick as a garden hose. It ends well above wh...
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