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Body Systems

Body Systems. 7 th Grade Science TAKS 2 TEKS 7.9(A). TAKS Objective 2. The student will demonstrate an understanding of living systems and the environment – Interdependence occurs among living systems. TEKS.

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Body Systems

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  1. Body Systems 7th Grade Science TAKS 2 TEKS 7.9(A)

  2. TAKS Objective 2 The student will demonstrate an understanding of living systems and the environment – Interdependence occurs among living systems

  3. TEKS • TEKS 7.9 (A) identify the systems of the human organism and describe their functions.

  4. Student Prior Knowledge • TEKS 6.10 (C) identify how structure complements function at different levels of organization including organ and organ systems.

  5. Background

  6. Human Body Team Parts and Their Function

  7. Integumentary SystemSkin, Hair and Nails • I cover and protect every place on the body! • I am the first line of defense against invasion and injury. • I retain body heat yet, have pores to release excess heat and wastes. • I retain moisture and your body is almost 80% water!

  8. Skeletal System • Without me, you’d have no shape or structure…you’d be a blob. • I make you able to move! • I make your red blood cells that carry oxygen to all the cells. • I protect the precious brain, heart and spinal cord.

  9. Muscular System • The heart is made of cardiac muscle. • The internal organs are made of smooth muscle. • Without the skeletal muscles the bones couldn’t move.

  10. Respiratory System • I bring in the oxygen that is carried on the red blood cells…without me you’d have no oxygen to carry! • I carry the CO2 (waste gas) out of the body. • The circulatory system needs me for gas exchange. • The muscles need oxygen to move. • The brain needsmy oxygen to think.

  11. Circulatory System • I carry oxygen and nutrients to every cell in the body! • I am the heart, the veins, the arteries, capillaries and blood. • I transport the white blood cells to all the infections and injuries. • Without me, the oxygen and the CO2 in the body couldn’t reach the cells or lungs.

  12. Nervous System I tell everything what to do. I tell the heart when to beat, the body when to move, the digestive system to add enzymes. I am the leader.

  13. Digestive/Excretory System • Without my system, the body would not be able to obtain energy and nutrients. • I break down all the food stuffed in my mouth into usable nutrients and expel the wastes.

  14. Reproduction System • Without me, there would be not be any systems. • I am how the species continues.

  15. Body Systems

  16. Skin Deep

  17. ENGAGE Divide into four groups. Using a pencil and piece of paper compete to list as many ORGANS of the body as you can in ONE minute. What characteristics do all of these organs share? How do they differ? What are organs composed of? What would happen if you were missing an organ? (If necessary) Would you consider skin to be an organ? Why or why not? What functions does your skin serve? What are some examples of organ systems?

  18. EXPLORE • Have students work independently or as a class through the MD Anderson Project SAFETY CD/ Curriculum Lesson One – Layers of the Skin and Lesson One Terminology (drag and drop).

  19. EXPLAIN

  20. ELABORATE Elaboration 1 Interactive Tutorial on Burns Burn Tutorial Have students participate in the interactive tutorial from the national institute of health reviewing the skin and researching different degrees of burns and the layers of skin that they affect. Burn Flyer Elaboration 2 Informational Brochure on Burns Have students participate in research of different degrees of burns and the layers of skin that they affect. .

  21. EVALUATE Label a diagram of the skin and list 3 functions of the skin.

  22. No Bones About It!!

  23. ENGAGE Show short clip from The Blob. Have Scary Skeleton song and animation playing when student enter the room. http://www.learnenglish.org.uk/kids/songs/skeleton.html Then read: Dem Bones by Bob Barner. Publisher: Chronicle Books.

  24. EXPLORE • Deboned • Q-Tip Skeleton

  25. EXPLAIN What are the five main function of the skeleton? provide structure and support for body protect internal organs make blood cells store minerals attachment for muscles for movement

  26. ELABORATE Weird Proportions Bone Up Your Knowledge Computer Lab

  27. Questions List three functions of our skeletal system. What are two things that our skeletal system stores? How many bones does the average mature adult have in their body? What are three things that our bones need to stay healthy? List 5 different bones that are found in our body.

  28. EVALUATE After observing the chicken bone soaked in vinegar and water and participating in a class discussion, the learner will produce a Venn diagram, table or sketch in his/her journal to compare and contrast the bones. A grade of pass/fail will be given. After observing both models of the bones and participating in a class discussion, the learner will record the differences between hollow and solid bones. A grade of pass/fail will be given. Using the text, and class notes, the learner will produce a labeled sketch in his/her journal that describes the components of a bone. A grade of pass/fail will be given. Using the text, information from the website, and class notes, the learner will demonstrate an understanding of the structures and list at least 4 functions of the skeletal system by creating labeled drawings and providing a 100-word summary of the overall function of the skeletal system. A minimum score of 70% on the rubric is required. After completing the Q-tip skeleton, the learner will identify the following major bones of the body: skull, spine, ribs, pelvis, femur, tibia, fibula, humerus, radius, ulna, phalanges, and collar bone.

  29. Come to Your Senses!

  30. ENGAGE Show students various optical illusions Power Point Optical Illusions

  31. EXPLORE • Create Edible Brain Models • Neuron Bead Model • Brain Game

  32. EXPLAIN Neuron Model

  33. ELABORATE Find Your Blind Spot Sweet Visions Smeller Feller 2-Point Discrimination

  34. EVALUATE Neuro-Jeopardy

  35. Urinary System

  36. ENGAGE Tell the Urban Legend Story “Travelers Beware”

  37. EXPLORE CONSTRUCT THE URINARY SYSTEM

  38. EXPLAIN Describe to your partner the parts and the pathway of the excretory system.

  39. ELABORATE Kidney Filtration Simulation Lab Students will participate in a lab activity that will simulate the overall function of the kidneys.

  40. EVALUATE Students will construct a model of the urinary system with 100% accuracy. A grade of pass or fail will be given.

  41. Digestive System

  42. ENGAGE Watch digestive system clip with gold medalist Bonnie Blair from PBS video Universe Within.

  43. EXPLORE Digestion Simulation

  44. EXPLAIN When you cut your “food” what did this represent? What types of nutrients are digested by each structure. For each digestive structure, tell me if the food was digested physically, chemically, or both. In what digestive structure are the most nutrients absorbed? Where does undigested food leave the body?

  45. ELABORATE Digestion Website Investigation Informational Brochure on Digestive Issues

  46. EVALUATE After completing the digestion simulation, the student will have produced an identical piece of “food” with their name on it in the “anus.” A grade of pass/fail will be given for correct procedure during the simulation. Using the text, class notes, website information and class discussion the learner will produce a labeled sketch in his/her journal that describes the structures and functions of the digestive system. A grade of pass/fail will be given. Using the text, information from the website, and class notes, the learner will demonstrate an understanding of the structures and functions of the digestive system by creating an informational brochure. A minimum score of 2 on the rubric is required.

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