body systems
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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. - PowerPoint PPT PresentationTRANSCRIPT
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Body SystemsBody Systems
7th Grade Science
TAKS 2
TEKS 7.9(A)
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TAKS Objective 2TAKS Objective 2
The student will demonstrate an understanding of living systems and the environment – Interdependence occurs among living systems
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TEKSTEKS
• TEKS 7.9 (A) identify the systems of the human organism and describe their functions.
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Student Prior KnowledgeStudent Prior Knowledge
• TEKS 6.10 (C) identify how structure complements function at different levels of organization including organ and organ systems.
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BackgroundBackground
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Human Body TeamHuman Body Team
Parts and Their Function
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Integumentary SystemSkin, Hair and Nails
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!
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Skeletal SystemSkeletal 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.
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Muscular SystemMuscular 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.
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Respiratory SystemRespiratory 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.
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Circulatory SystemCirculatory 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.
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Nervous SystemNervous SystemI 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.
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Digestive/Excretory SystemDigestive/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.
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Reproduction SystemReproduction System
• Without me, there would be not be any systems.
• I am how the species continues.
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Body SystemsBody Systems
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Skin DeepSkin Deep
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ENGAGEENGAGE• 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.
1. What characteristics do all of these organs share? 2. How do they differ? 3. What are organs composed of? 4. What would happen if you were missing an organ? 5. (If necessary) Would you consider skin to be an organ? Why or
why not? 6. What functions does your skin serve? 7. What are some examples of organ systems?
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EXPLOREEXPLORE
• 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).
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EXPLAINEXPLAIN
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ELABORATEELABORATE
• Elaboration 1Interactive Tutorial on Burns
Burn TutorialHave 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 2Informational Brochure on BurnsHave students participate in research of different degrees of burns
and the layers of skin that they affect..
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EVALUATEEVALUATE
Label a diagram of the skin and list 3 functions of the skin.
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ENGAGEENGAGE
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.
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EXPLOREEXPLORE1. Deboned2. Q-Tip Skeleton
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EXPLAINEXPLAIN
What are the five main function of the skeleton?
1. provide structure and support for body
2. protect internal organs
3. make blood cells
4. store minerals
5. attachment for muscles for movement
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ELABORATEELABORATE
• Weird Proportions• Bone Up Your Knowledge
Computer Lab
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QuestionsQuestions1. List three functions of our
skeletal system.
2. What are two things that our skeletal system stores?
3. How many bones does the average mature adult have in their body?
4. What are three things that our bones need to stay healthy?
5. List 5 different bones that are found in our body.
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EVALUATEEVALUATE1. 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.
2. 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.
3. 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.
4. 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.
5. 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.
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Come to Your Senses!Come to Your Senses!
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ENGAGEENGAGE
Show students various optical illusions Power Point Optical Illusions
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EXPLOREEXPLORE
• Create Edible Brain Models• Neuron Bead Model• Brain Game
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EXPLAINEXPLAIN
Neuron Model
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ELABORATEELABORATE
• Find Your Blind Spot• Sweet Visions• Smeller Feller• 2-Point Discrimination
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EVALUATEEVALUATE
Neuro-Jeopardy
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Urinary SystemUrinary System
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ENGAGEENGAGE
Tell the Urban Legend Story“Travelers Beware”
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EXPLOREEXPLORE
CONSTRUCT THE URINARY SYSTEM
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EXPLAINEXPLAIN
Describe to your partner the parts and the pathway of the excretory system.
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ELABORATEELABORATE
Kidney Filtration Simulation LabStudents will participate in a lab activity that will
simulate the overall function of the kidneys.
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EVALUATEEVALUATE
1. Students will construct a model of the urinary system with 100% accuracy. A grade of pass or fail will be given.
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Digestive SystemDigestive System
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ENGAGEENGAGE
Watch digestive system clip with gold medalist Bonnie Blair from PBS video Universe Within.
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EXPLOREEXPLORE
Digestion Simulation
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EXPLAINEXPLAIN
1. When you cut your “food” what did this represent?
2. What types of nutrients are digested by each structure.
3. For each digestive structure, tell me if the food was digested physically, chemically, or both.
4. In what digestive structure are the most nutrients absorbed?
5. Where does undigested food leave the body?
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ELABORATEELABORATE
•Digestion Website Investigation
•Informational Brochure on Digestive Issues
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EVALUATEEVALUATE1. 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.
2. 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.
3. 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.