| Organ System | Major Organs | Major Functions |
| Integumentary | Skin, hair, nails, sweat glands, sebaceous glands | Protect tissues, regulate body temperature, support sensory
receptors |
| Skeletal | Bones, ligaments, cartilages | Provide framework, protect soft tissues, provide attachments
for muscles, produce blood cells, store inorganic salts |
| Muscular | Muscles | Cause movements, maintain posture, produce body heat |
| Nervous | Brain, spinal cord, nerves, sense organs | Detect changes, receive and interpret sensory information,
stimulate muscles and glands |
| Endocrine | Glands that secrete hormones (pituitary gland, thyroid gland,
parathyroid glands, adrenal glands, pancreas, ovaries, testes,
pineal gland, and thymus) | Control metabolic activities of body structures |
| Cardiovascular | Heart, arteries, capillaries, veins | Move blood through blood vessels and transport substances
throughout body |
| Lymphatic system | Lymphatic vessels, lymph nodes, thymus, spleen | Return tissue fluid to the blood, carry certain absorbed food
molecules, defend the body against infection |
| Digestive | Mouth, tongue, teeth, salivary glands, pharynx, esophagus,
stomach, liver, gallbladder, pancreas, small and large intestines | Receive, break down, and absorb food; eliminate unabsorbed
material |
| Respiratory | Nasal cavity, pharynx, larynx, trachea, bronchi, lungs | ntake and output of air, exchange of gases between air and
blood |
| Urinary | Kidneys, ureters, urinary bladder, urethra | Remove wastes from blood, maintain water and electrolyte
balance, store and eliminate urine |
| Reproduction | Male: scrotum, testes, epididymides, ductus deferentia, seminal
vesicles, prostate gland, bulbourethral glands, urethra, penis;
Female: ovaries, uterine tubes, uterus, vagina, clitoris, vulva | Produce and maintain sperm cells, transfer sperm cells into
female reproductive tract; Produce and maintain egg cells,
receive sperm cells, support development of an embryo, and
function in birth process |
