Do humans have 3 eyelids?

Related questions

1. Did humans use a third eyelid?
2. When should I be concerned about dilated pupils?
3. Is the blink of an eye faster than the speed of light?
4. Which muscles open the eye?
5. How is trigeminal neuralgia diagnosed?
6. How many eyelashes do humans have?
7. How do you assess facial nerves?
8. What is 3rd cranial nerve palsy?
9. How do you test vagus nerve?
10. What type of muscle is the eyelid?

Tags

1. #membranes
2. #functions
3. #camels
4. #reptiles
5. #protects
6. #cornea
7. #nourishes
8. #three
9. #nictitating
10. #eyelid
11. #performs
12. #opposed
13. #birds
14. #human
15. #eyelids
16. #animals
17. #similar