How Many Muscles Make Your Smile?: Questions About Muscles and Movement

How Many Muscles Make Your Smile?: Questions About Muscles and Movement — page 3
What do muscles look like If you looked closely at an elastic band you’d see that it is made up of strands that stretch and then tighten up again Close up muscles look a lot like that but they have special shapes to match their job All of them respond to signals from your brain telling them to contract tighten or relax Do your eyes really have muscles Yes The iris has a muscle that opens and closes the pupil to control incoming light and there are six muscles around your eye that move your eyeball 6