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Body Systems
| Term | Definition |
|---|---|
| Circulatory System | transports nutrients, wastes, hormones, and gases |
| Endocrine System | regulates body temperature, metabolism, development, and reproduction using hormones; maintains homeostasis; regulates other organ systems |
| Excretory System | removes wastes from blood; regulates concentration of body fluids |
| Integumentary System | protects against injury, infection, and fluid loss; helps regulate body temperature |
| Digestive System | extracts and absorbs nutrients from food; removes wastes; maintains water and chemical balances |
| Muscular System | moves limbs and trunk; moves substances through body; provides structure and support |
| Nervous System | regulates behavior; maintains homeostasis; regulates other organ systems; controls sensory and motor functions; reacts to internal and external stimuli |
| Reproductive System | produces gametes and offspring |
| Respiratory System | moves air in and out of lungs; controls gas exchange between blood and lungs |
| Skeletal System | protects and supports the body and organs; interacts with skeletal muscles, produces red blood cells, white blood cells, and platelets |
| Homeostasis | the ability of an organism to maintain a relatively stable internal environment |
| Nervous | brain, spinal cord, and nerves |
| Endocrine | glands |
| Digestive | Mouth, Esophagus, Stomach, Small Intestine, Large Intestine, Liver, Anus |
| Integumentary | skin, nails, hair, and sweat glands |
| Skeletal | bones, ligaments, cartilage, and joints |
| Muscular | muscles (smooth, cardiac, and skeletal) |
| Respiratory | trachea, bronchi, lungs, alveoli, diaphragm |
| Circulatory | heart, arteries, veins, and capillaries |
| Excretory | kidneys, bladder, nephron |
| Reproductive (Female) | egg, ovaries |
| Reproductive (Male) | sperm, testes |