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Cover hand in shortening to demonstrate how fat keeps animals warm in winter. kids LOVE this experiment.

Actual Project Grade 6-8 Life Science Human Organ Systems Foldable 1. Skeletal System (Bones) 2. Integumentary System (Hair & Skin) 3. Muscular System 4. Circulatory System 5. Respiratory System 6. Digestive System 7. Excretory System 8. Immune System 9. Reproductive System 10. Nervous System 11. Endocrine System