Info

Name

Innervation

Function

Name

Innervation

Function

Muscles of the eyelids Orbicularis oculi

Facial nerve (VII)

Closes eye

Ciliary muscles

Oculomotor nerve (III) parasym-pathetic fibers

Relax suspensory ligaments

Levator palpebrae superioris

Oculomotor nerve (III)

Opens eye

Iris, circular muscles

Oculomotor nerve (III) parasym-pathetic fibers

Constrict pupil

Extrinsic muscles of the eyes

Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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