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group of similar cells with a common function; two or more tissue types combine to form an organ
cushions and protects deeper tissues, waterproofs body, excretes materials, regulates the body temp., produces vitamin D
bones, cartilage, ligaments, joints; supports body, protects organs, forms blood cells,
fast acting control system( brain, spinal cord, nerves, sensory receptors); responds to stimuli from outside and inside the body by activating appropriate muscles or glands
Heart, blood vessels, ; transports blood which carries oxygen, carbon dioxide, nutrients, wastes, etc.
lymphatic vessels, lymph nodes, spleen ; return fluid leaked from the blood to the blood vessels, cleanse blood, house white blood cells involved in immunity
nasal passages, pharynx, larynx, trachea, bronchi, lungs ; supplies body with oxygen and gets rid of carbon dioxide
mouth, esophagus, stomach, small and large intestines, rectum ;break down food and deliver nutrients to blood eliminate undigested food through anus as feces
(aka excretory system) kidneys, ureters, bladder, urethra; removes wastes from blood , produce urine to eliminate these wastes, maintains a water and salt balance, maintains an acid-base balance
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