What is an Organ System?


A group of organs that work together to perform a certain function in an organism’s body. For humans we have 12 organ systems in the human body 

  • Integumentary: skin, hair, nails, sweat glands, sebaceous glands 
    • Function: protect tissue regulate body temperature and support sensory receptors 
  • Skeletal: bones, ligaments and cartilage
    • Function: provide framework, protect soft tissue provide attachment for muscles produce blood cells and store inorganic salts 
  • Nervous: brain, spinal cord, nerves, and sense organs 
    • Function: detect changes, receive and interpret sensory information, stimulate muscles and glands. 
  • Endocrine: glands that secrete hormones (pituitary, thyroid, parathyroid, adrenal, pineal glands, pancreas, ovaries, testes, and thymus. 
    • Function: control metabolic activates of body structure 
  • Cardiovascular: heart, arteries, capillaries, veins
    • Function: move blood through blood vessels and transport substances throughout the body. 
  • Lymphatic: lymphatic vessels, lymph nodes, thymus spleen 
    • Function: return tissue fluid to the blood, carry certain absorbed food molecules to defend the body against infection.
  • Digestive: mouth, togue, teeth, salivary glands, pharynx esophagus, stomach, liver gallbladder, pancreas, small and large intestines.  
    • Function: receive break down and absorb food eliminate unabsorbed materials. 
  • Respiratory: nasal cavity, pharynx, larynx, trachea, bronchi, lungs 
    • Function: intake and output of air, exchange of gases between air and blood.  
  • Urinary: kidneys, ureters, urinary bladder urethra
    • Function: remove wastes from blood, maintain water and electrolyte balance, store and eliminate urine 
  • Reproductive: male: scrotum, testes, epididymites, ductus differentia, seminal vesicle, prostate gland, bulbourethral gland, urethra, penis. Female ovaries, uterine, tube, uterus, vagina, clitoris, vulva 
    • Function: Male: produce and maintain sperm cells, transfer sperm cells into Female reproductive tract. Femail: produce and maintain egg cells, receive sperm cells to support development of an embryo and function in birth process. 
  • Muscular: Skeletal, cardiac, and smooth muscles
    • Function: Provides movement, support, and heat production
  • Immune: Leukocytes, tonsils, adenoids, thymus, and spleen
    • Function: Defends against microbial pathogens—disease-causing agents—and other diseases
  • Last Updated Apr 09, 2024
  • Views 1
  • Answered By Shanta Davis

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