The human body is composed of interactive systems. Most organs in the body are necessary, a few like tonsils are not. There are specific functions for each of the organs in the systems, but they cannot operate by themselves.
Below is a chart that will help you review the different systems with your students.
SYSTEMS
ORGANS
FUNCTIONS
respiratory lungs, nasal passages, bronchi, pharynx, trachea, diaphragm, bronchial tubes intake of oxygen and removal of carbon dioxide from bodynervous spinal cord, brain, nerves, skin, eyes, ears, tongue, nose control of body activities and the reaction to stimulidigestive stomach, liver, teeth, tongue, pancreas, intestine, esophagus break down of food and absorption for use as energyexcretory kidneys, bladder ureters, skin controls water and salt balance endocrine pituitary gland, adrenal gland, thyroid gland, gonads production of hormones and body regulationskeletal and muscular bones, muscles protection and movementcirculatory blood, blood vessels, heart, lymph transport of nutrients, metabolic wastes, water, salts, and disease fighting cells integumentary skin protection of body from injury and bacteria, maintenance of tissue moisture, holds receptors for stimuli response, body heat regulation
