In front of the eyeball are lose skin called Cloze (1): JXUwMDNkJXUwMDFjJXUwMDFjJXUwMDA5JXUwMDA1JXUwMDBkJXUwMDE3 that protect the eyeballs and on their edges are many hairs called Cloze (2): JXUwMDNkJXUwMDFjJXUwMDFjJXUwMDA5JXUwMDBkJXUwMDEyJXUwMDFiJXUwMDBkJXUwMDE2 that prevent entry of small foreign particles. Above the eye are raised portions of skin called Cloze (3): JXUwMDNkJXUwMDFjJXUwMDFjJXUwMDA3JXUwMDEwJXUwMDFkJXUwMDE4JXUwMDA0 covered by thick hair that prevent sweat and dust from entering the eye.

Under the lids are Cloze (4): JXUwMDM0JXUwMDBkJXUwMDAyJXUwMDBiJXUwMDFhJXUwMDBiJXUwMDE0JXUwMDBjJXUwMDBkJXUw MDRjJXUwMDQ3JXUwMDBiJXUwMDBkJXUwMDBmJXUwMDBhJXUwMDE3 that secrete saline and antiseptic fluid called Cloze (5): JXUwMDJjJXUwMDExJXUwMDA0JXUwMDEzJXUwMDAx ;which moisten the cornea and wash away foreign particles from the eye.