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Body Organization
Term | Definition |
---|---|
Homeostasis | maintenance of a stable internal environment in the body |
Tissue | group of similar cells working together |
Organ | collection of tissues that carry out a specialized function in the body |
Integumentary System | hair, skin, nails |
Muscular System | muscles |
Skeletal System | bones |
Cardiovascular System | heart pumps blood |
Respiratory System | lungs absorb oxygen |
Urinary System | removes wastes from blood |
Male Reproductive System | produces sperm |
Female Reproductive System | produces eggs |
Nervous System | sends electrical messages |
Digestive System | breaks down food |
Lymphatic System | returns leaked fluids to blood |
Endocrine System | glands send out chemical messages |