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Unit 3 Science
| Question | Answer |
|---|---|
| Skeletal System (5) | -supports body -protects internal organs -allows movement -stores minerals -produces blood cells |
| Integumentary System (2) | -guards against infection and injury -helps regulate body temperature |
| Muscular System (2) | -with skeletal system, produces movement -helps circulate blood and move food through the digestive system |
| Circulatory System (2) | -transports oxygen, nutrients and wastes -fights infection |
| Respiratory System (2) | -brings in oxygen needed by cells -removes carbon dioxide from body |
| Digestive System (3) | -breaks down food -absorbs nutrients -removes food wastes |
| Excretory System (1) | -removes waste products from the body |
| Nervous System (1) | -controls the body's responses to changes within the body and outside it |
| Endocrine System (2) | -controls growth, development and energy processes -help maintain homeostasis |
| Reproductive System (2) | -produces sex cells -in females; nurtures and protects developing embryo |
| Immune System (2) | -fights infection -attacks invading bacteria and viruses |