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BIOL 223 systems

integumentary MAJOR COMPONENT ORGANS: epidermal and dermal regions; cutaneous sense organs and glands FUNCTION: - protects deeper organs from mechanical, chemical, and bacterial injury, and desiccation (dryiing out) - excretes salts and urea - body temperature reg.
skeletal ORGANS: bones, cartilages, tendons, ligaments, and joints FUNCTION: - body support and protection of internal organs - provides levers for muscular action - cavities provide a site for blood cell formation
muscular ORGANS: muscles attached to the skeleton FUNCTION: - primary function is to contract or shorten - allow locomotion (running, walking, etc.) - generates heat -
nervous ORGANS: brain, spinal cord, nerves, and sensory receptors FUNCTIONS: - allows body to detect changes in its internal and external environment and to respond to such information by activating app. muscles or glands - helps maintain homeostasis of the bo
endocrine ORGANS: pituitary, thymus, thyroid, parathyroid, adrenal, pineal glands: ovaries, testes, pancreas FUNCTIONS: maintain body homeostasis, promotes growth and dev., chemical hormones that travel in the blood to exert their effects on "target organs"
cardiovascular ORGANS: heart, blood vessels, blood FUNCTIONS: transport system that carries blood containing oxygen, co2, nutrients, wastes, ions, hormones, and other substances to and from the tissue cells where exchanges are made, pumping action of heart for blood
lymphatic/immunity ORGANS: lymphatic vessels, lymph nodes, spleen, thymus, tonsils, scattered collection of lymphoid tissues FUNCTIONS:cleanses blood of pathogens and other debris, houses lymphocytes that act as via the immune response to protect body from foreign stuff
respiratory ORGANS: nasal passages, pharynx, larynx, trachea, bronchi, lungs FUNCTIONS: keeps the blood continuously supplied with oxygen while removing carbon dioxide
digestive ORGANS: oral cavity, esophagus, stomach, small and large intestines, accessory structures (teeth, salivary glands, liver, pancreas) FUNCTIONS:breaks down ingested foods to minute particle, undigested residue removed from the body as feces
urinary ORGANS: kidneys, ureters, bladder, urethra FUNCTIONS: rids the body of nitrogen-containing wastes which result from the breakdown of proteins and nucleic acids by body cells, maintains water, electrolyte, and acid-base balance of blood
reproductive ORGANS: testes, prostate gland, scrotum, penis, duct system, ovaries, uterine tubes, uterus, mammary glands, vagina FUNCTIONS: males: provides germ cells (sperm_ for perpetuation of the species, (females): eggs, fetus in uterus, mammary provide nutrition
Created by: pammy7130



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