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Tuesday 9 August 2016

organ system; organ systems


Definition: The organ systems are biological systems producing a vital function as respiration, digestion, circulation, reproduction, excretion, etc...


- cardiovascular system / circulatory system : pumping and channeling blood to and from the body and lungs with heart , blood and blood vessels.

- respiratory system : the organs used for breathing, the pharynx , larynx , bronchi , lungs and diaphragm.

- locomotory system : structural support and protection with bones , cartilage , ligaments and tendons.

- reproductive system : the sex organs, such as ovaries , fallopian tubes , uterus , vagina , mammary glands , testes , vas deferens , seminal vesicles and prostate

- digestive system : digestion and processing food with salivary glands , esophagus , stomach , liver , gallbladder , pancreas , small intestine , colon , rectum and anus.

-  urinary system : kidneys , ureters , bladder and urethra involved in fluid balance, electrolyte balance and excretion of urine.

- endocrine system : communication within the body using hormones made by endocrine glands such as the hypothalamus , pituitary gland , pineal body or pineal gland , thyroid , parathyroid and adrenals , i.e., adrenal glands.

- lymphatic system : structures involved in the transfer of lymph between tissues and the blood stream; includes the lymph and the nodes and vessels. The lymphatic system includes functions including immune responses and development of antibodies.

- muscular system : allows for manipulation of the environment, provides locomotion, maintains posture, and produces heat. Includes skeletal muscles , smooth muscles and cardiac muscle.

- nervous system : collecting, transferring and processing information with brain , spinal cord and peripheral nervous system.

- integumentary system : skin , hair , fat , and nails.

See also

- organism