The Eye The eye is the visual organ. It resides in the orbital cavity and is supplied by the optic nerve (the second cranial nerve). It is a sensory unit composed of three parts: receptor, sensory pathway, and a brain center. ·        It is spherical structure situated in the orbital cavity ·        It is about 2.5 …
THE NERVOUS SYSTEM ·        The nervous system detects and responds to change inside and outside the body. ·        It controls many vital aspects of body function and maintain homeostasis.  ·        The nervous system has three main function. 1.     Sensory 2.     Integration 3.     Motor Classification ·        The nervous system consists of neurons, which conduct nerve impulses …
