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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 |