levels of organization

integumentary

skin, hair, sweat glands, hair

integumentary function

protected against environmental hazards, helps regulate body temperature, provide sensory information

skeletal

bones, cartilages, associated ligaments, bone marrow

skeletal function

provides support, protection, stores calcium and other minerals, forms blood cells

muscular

skeletal muscles and associated tendons

muscular function

provide movement, protection and support for other tissues, generates body heat that maintains body temperature

nervous

brain, spinal cord , peripheral nerves , sense organs

nervous function

directs immediate response to stimuli, coordinates or moderates activities of other organ systems, provides and interprets sensory inform from external conditions

endocrine

pituitary gland, thyroid glands, pancreas, adrenal glands, gonads, endocrine tissue in other systems

endocrine function

directs long term changes in the activities of other organ systems, adjust metabolic activity and energy use by the body, controls many structural and functional changes during development

cardiovascular

heart, blood, blood vessels

cardiovascular system

distribute blood, cells, water, dissolved materials (nutrients & waste products), oxygen and carbon dioxide. distributes heat and assist in control of body temperature

lymphatic

spleen, thymus, lymphatic vessels, lymph nodes, tonsils

lymphatic function

defends against infection and diseases, reruns tissue fluids to the bloodstream

respiratory

nasal cavities, sinuses, larynx, trachea, bronchi, lungs, alveoli

respiratory function

delivers air to alveoli ( sites where gas exchange occurs) provides air oxygen to bloodstream, produces sound for communication

digestive

teeth tongue pharynx esophagus stomach small/ large intestine liver gallbladder pancreas

digestive function

processes and digest food, absorbs nutrients, stores energy

urinary

kidneys, ureters, urinary bladder, urethra

urinary functions

excreted waste, controls water balence, store urine until voluntary elimination, regulates blood ion concentration and ph

male reproductive

testes, epididymides, ductus deferentia, seminal vesicles, prostate, penis, scrotum