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Chapter 1
Body systems
| Integumentary System | external body covering protects deeper injurys regulate body temp location at cutaneous nerve receptors |
| Skeletal system | protects and supports body organs muscle attachment for movement site of blood cell formation stores minerals |
| Muscular system | produces movements maintains posture produces heat |
| Nervous system | fast acting control system responds to internal and external change activates muscle glands |
| Endocrine system | secretes regulatory hormones (growth, reproduction, metabolism) |
| Cardiovascular system | transport materials in body by blood pumped by heart oxygen carbon dioxide nutrients wastes |
| lymphatic system | returns fluids to blood vessels cleanses the blood involved in immunity |
| Respiratory system | keeps blood supplied with oxygen removes carbon dioxide |
| Digestive system | breaks down food nutrient absorption to blood eliminates indigestible material as feces |
| urinary system | eliminates nitrogenous waste maintains acid and base balance regulates water and electrolytes |
| Reproductive system | produces offspring testes produces sperm and male hormone ovaries produce eggs and female hormones |