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Name _____________________________________________________________ Period ____ Cells “R” Us Use the “Body Organization” and “Body Systems” articles to help you complete the following activities. Directions: The drawings below show how WE are made of CELLS. Match the correct word from the WORD LIST below to the drawings 1-5. Word List: Organism Tissue Organ System Cell Organ Now answer the following questions based on the articles you have read about body organization. 6. __________________________ is the smallest unit of structure and function in a living thing. 7. A tissue is made of a group of similar ______________________ with a common job. 8. An organ is made of different ____________________ working together to do a specific function. 9. An organ system is made of many ___________________ working together to do a special job. 10. Any independently living thing is a/an ___________________________. 11. Which organ system is the most complex and fragile?_________________________________________ 12. Which organ system is affected when people have asthma?______________________________________ 13. Explain why you automatically blink when something is coming at your face.________________________ ______________________________________________________________________________________ ______________________________________________________________________________________ Directions: Use the information from the articles to fill in the chart. Use the terms in the bank to help you. Functions Bank: Fights off disease Key Organs and Parts Bank: Bones, cartilage 1st barrier to disease and environment, keeps fluids in the body, controls body temperature Controls all body functions, senses information from inside and outside the body Produces sex cells to create children, controls male and female characteristics Muscles, tendons, muscles in organs Kidneys, bladder, urethra Heart, veins, arteries, capillaries Lungs, nasal passages, trachea, bronchi Mouth, salivary glands, esophagus, stomach, small and large intestines Takes food and breaks it down into nutrients Removes wastes from the body Brain, spinal cord, nerves Puts oxygen in the blood and removes carbon dioxide. Works with the Circulatory System Skin, sweat glands Female and male genitals, hormone glands, Lymph nodes, white blood cells, skin Helps the body move. Works with the Skeletal System. Carries materials to and from the body’s cells. Works with the Respiratory System. Supports the body; works with muscles for movement Organ System Circulatory System Digestive System Excretory System Function (Job) Key Organs and Parts Involved Immune System Integumentary System Muscular System Nervous System Reproductive System Respiratory System Skeletal System