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please define about full body function of human body
The human body is composed of interactive systems. Most organs in the body are necessary.  There are specific functions for each of the organs in the systems, but they cannot operate by themselves.


Respiratory system ___     lungs, nasal passages,   bronchi, pharynx, trachea, diaphragm, bronchial tubes .
 Functions :   intake of oxygen and removal of carbon dioxide from body.
Nervous system  __    spinal cord, brain, nerves, skin, eyes, ears, tongue, nose.  Functions:   control of body activities and the reaction to stimuli.
Digestive system ___   stomach, liver, teeth, tongue, pancreas, intestine, esophagus     Functions: break down of food and absorption for use as energy
Excretory system___    kidney, bladder ureters, skin
Functions: __   controls water and salt balance
 Endocrine system__  pituitary gland, adrenal gland, thyroid gland, gonads
   Functions___  production of hormones and body regulation
Skeletal and Muscular system__     bones, muscles, protection and movement
Circulatory system___     blood, blood vessels, heart, lymph     transport of nutrients, metabolic wastes, water, salts, and disease fighting cells
 Integumentary system     skin     protection of body from injury and bacteria, maintenance of tissue moisture, holds receptors for stimuli response, body heat regulation


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