Organ Systems

defends against infection and disease and invading pathogens

ovaries, testes, mammary glands

skeletal, cardiac, smooth

lungs, bronchii, alveoli

produces heat, allows movement

delivers air to sites where gas exchange occurs, removes wastes

brain, spinal cord

makes blood cells, provides support, protects tissues, provides leverage

releases hormones to direct long-term changes

lymph vessels, spleen, nodes

skin, hair, nails

eliminates excess water, salts, and waste products

intestine, liver, gall bladder

kidney, urethra, bladder

adrenal, pituitary, thyroid

carries gasses and dissolved materials throughout the entire body

absorbs nutrients, processes food, eliminates solid waste

produces gametes (egg and sperm), produces hormones

heart, blood vessels, blood

directs response to environment, coordinates other systems

first defense, helps control body temp., protects from environment

bones, cartilage, ligaments