Introduction to the muscular system: Video, Causes, & Meaning | Osmosis

The Alligator Sway Undulating their tails from side to side in a wavelike motion, alligators propel their bodies through space. In humans, undulation is most easily observed in traditional belly dancing, where the head and shoulders move in opposition to one another. This side-to-side movement of the cervical spine helps pump oxygen and nutrients to the joints, increases strength and flexibility, and aids in circulating cerebrospinal fluid. Since movement through each vertebral joint is critical

Do Alligators Feel? Most people think an alligator’s body is numb from nose to tail — a living suit of armor. He knew that wasn’t true, but he also knew where the truth changed. Slate rested on the muddy bank, his massive body still, one arm stretched slightly forward along the ground. His scales were thick and ridged, built to protect — but not everywhere equally. The forelimbs are different. Beneath the hard outer scales, the skin contains pressure-sensing nerve endings that help the alligator

Alligator Vs Crocodile: Who Would Really Win in a Fight?