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 …
The cardiovascular system · The cardiovascular represents “Cardio” means Heart; to ensure constant circulation of blood and “Vascular” means Blood Vessel; through which the blood flows. · The heart is pumped by two circulation systems; 1. The pulmonary circulation 2. The systemic circulation Fig. 02: Blood circulation The heart and Homeostasis · The heart …
