Tissues, organs, & organ systems (article) | Khan Academy (2024)

CardiovascularTransports oxygen, nutrients, and other substances to the cells and transports wastes, carbon dioxide, and other substances away from the cells; it can also help stabilize body temperature and pHHeart, blood, and blood vesselsLymphaticDefends against infection and disease and transfers lymph between tissues and the blood streamLymph, lymph nodes, and lymph vesselsDigestiveProcesses foods and absorbs nutrients, minerals, vitamins, and waterMouth, salivary glands, esophagus, stomach, liver, gallbladder, exocrine pancreas, small intestine, and large intestineEndocrineProvides communication within the body via hormones and directs long-term change in other organ systems to maintain homeostasisPituitary, pineal, thyroid, parathyroids, endocrine pancreas, adrenals, testes, and ovaries.IntegumentaryProvides protection from injury and fluid loss and provides physical defense against infection by microorganisms; involved in temperature controlSkin, hair, and nailsMuscularProvides movement, support, and heat productionSkeletal, cardiac, and smooth musclesNervousCollects, transfers, and processes information and directs short-term change in other organ systemsBrain, spinal cord, nerves, and sensory organs—eyes, ears, tongue, skin, and noseReproductiveProduces gametes—sex cells—and sex hormones; ultimately produces offspringFallopian tubes, uterus, vagin*, ovaries, mammary glands (female), testes, vas deferens, seminal vesicles, prostate, and penis (male)RespiratoryDelivers air to sites where gas exchange can occurMouth, nose, pharynx, larynx, trachea, bronchi, lungs, and diaphragmSkeletalSupports and protects soft tissues of the body; provides movement at joints; produces blood cells; and stores mineralsBones, cartilage, joints, tendons, and ligamentsUrinaryRemoves excess water, salts, and waste products from the blood and body and controls pHKidneys, ureters, urinary bladder, and urethraImmuneDefends against microbial pathogens—disease-causing agents—and other diseasesLeukocytes, tonsils, adenoids, thymus, and spleen