front 1 Circulatory | back 1 Heart, blood vessels, and blood |
front 2 Digestive | back 2 Stomach, intestine, liver, pancreas |
front 3 Endocrine | back 3 Thyroid gland, adrenal gland |
front 4 Immune | back 4 Thymus, spleen, lymph nodes |
front 5 Intergumentary | back 5 skin protection from external environment |
front 6 Musculoskeletal | back 6 skeletal muscle bone for support and movement |
front 7 Nervous | back 7 Brain, spinal cord for coordination of body function through electrical signals and release of regulatory molecules |
front 8 Reproductive | back 8 Ovaries and uterus and testes perpetuation of species |
front 9 respiratory | back 9 lungs and airways for exchange of oxygen and carbon dioxide between internal and external environments |
front 10 urinary | back 10 kidneys bladder for maintenance of water and solutes in the internal environment; waste removal |