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Human Body Chap 1
| Term | Definition |
|---|---|
| Skeleton | All the bones in the body, 206! |
| Cell | Smallest unit of life |
| Cell membrane | Outside border around the cell |
| Nucleus | Directs all activity of the cell |
| Cytoplasm | Jellylike substance that contains cell parts |
| Tissue | Group of cells working together |
| Organs | Made up of many tissues |
| Organ System | Many organs working together to carry out a major function |
| Endocrine System | Responsible for growth and development |
| Integumentary System | Contains the hair, skin, and nails |
| Muscular System | Causes movement, 3 types of muscle in the body |
| Digestive System | Helps to break down food and provide nutrients to the body |
| Nervous System | Contains the brain and spinal chord |
| Excretory System | Helps to remove waste from the body |
| Smooth Muscle | Can be found lining organs in the body |