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RE-TEACH SEVENTH GRADE SCIENCE UNIT 4 HUMAN BODY PLACE YOUR BET YOU START WITH $100 (FAKE $ OF COURSE) • Read the question • Choose the answer • Decide how much your team wants to bet… • In other words, how certain are you that your answer is correct. • The more certain – the more you bet…the less certain – the less you bet • If you are right…add the money you bet to your $100 • If you are wrong…subtract he money you bet from your $100 • Group with highest score wins “small” prize 1. WHICH DIAGRAM REPRESENTS AN ORGAN SYSTEM? A. nerve cell B. muscle C. kidney D. digestive tract PLACE YOUR BET D. DIGESTIVE TRACT • If you were right…add your bet to $100 • If you were wrong…subtract your bet from $100 • Here we go… 2. WHAT WOULD HAPPEN IF ALL THE RED BLOOD CELLS IN BLOOD DISAPPEARED? A. White blood cells would replace the red blood cells. B. Platelets would replace the red blood cells. C. The organs and body systems would die from a lack of oxygen. D. The organs and body systems would use plasma to get oxygen from the lungs. 3. TEETH ARE PART OF THE SKELETAL SYSTEM, BUT THEY ARE ALSO PART OF THE DIGESTIVE SYSTEM. WHAT ROLE DO TEETH PLAY IN THE DIGESTIVE SYSTEM? A. They begin mechanical digestion. B. They release enzymes into the saliva. C. They begin chemical digestion. D. They are shaped for grinding, mashing, and tearing up food. 4. WHICH SYSTEM PRODUCES MOST OF THE HORMONES IN THE HUMAN BODY? A. circulatory B. endocrine C. digestive D. respiratory 5. HUMANS HAVE SEVERAL ORGAN SYSTEMS THAT ALLOW THEM TO CARRY ON ALL LIFE ACTIVITIES. THE ORGAN SYSTEM RESPONSIBLE FOR BREAKING DOWN LARGE FOOD MOLECULES INTO SMALLER MOLECULES IS A. the circulatory system. B. the digestive system. C. the respiration system. D. the skeletal system. 6. WHAT WOULD HAPPEN IF AN ORGANISM’S WASTE REMOVAL SYSTEM WERE TO STOP FUNCTIONING? A. The cells would not be able to get rid of their waste B. While some cells would die, other systems would do the job for the waste system C. The organism would store the waste in a place where no harm would be done D. The organism would adapt to the new solution 7. A PERSON IS SUFFERING FROM HIGH BLOOD PRESSURE, EXCESS SUGAR IN THEIR URINE, AND IMPURITIES IN THE BLOOD. WHAT SYSTEM IN THE PERSON MAY NOT BE WORKING PROPERLY? A. Digestive B. Excretory C. Reproductive D. Respiratory 8. BLOOD CONTAINS MANY COMPONENTS. WHICH ORGAN SYSTEMS DO WHITE BLOOD CELLS SERVE WHEN THEY FIGHT OFF FOREIGN INVADERS SUCH AS BACTERIA AND VIRUSES? A. immune and lymphatic B. cardiovascular and respiratory C. nervous and endocrine D. muscular and skeletal 9. WHICH OF THE FOLLOWING IS THE PRIMARY FUNCTION OF THE SKIN? A. transportation B. movement C. support D. protection 10. THE SWEAT GLANDS IN THE SKIN AID IN WHICH OF THE FOLLOWING FUNCTIONS? A. production of Vitamin D B. sensory and communication C. protection from UV radiation D. regulation of body temperature 11. WHICH OF THE FOLLOWING ACTIVITIES IS A FUNCTION OF THE LYMPHATIC SYSTEM? A. returning excess fluid to the circulatory system B. delivering nutrients to the cells C. bringing oxygen to the blood D. pumping blood to all parts of the body 12. WHAT TYPE OF MUSCLE TISSUE IS FOUND ONLY IN THE HEART? A. cardiac B. smooth C. skeletal D. bicep 13. THE BRAIN IS AN ORGAN. WHAT KIND OF TISSUE MAKES UP MOST OF THE BRAIN? A. muscle tissue B. nervous tissue C. epithelial tissue D. connective tissue 14. THE STUDENTS IN AN ENGINEERING CLASS BUILT A ROBOT THAT STACKS WOODEN BLOCKS. A BUILT IN COMPUTER CONTROLS THE MOVEMENT OF THE ROBOT. THE COMPUTER IN THE ROBOT PERFORMS A FUNCTION MOST SIMILAR TO WHICH ORGAN OF THE HUMAN BODY? A. lung B. heart C. brain D. stomach 15. HOW DOES MOVEMENT OCCUR? A. The brain sends a signal to your bones which cause them to pull on your muscles. B. The bones send a signal to your muscles causing them to contract. C. The muscles send a signal to your brain which tells your bones to contract. D. The brain sends a signal to your muscles which cause them to contract and pull on the bone. 16. WHICH OF THE FOLLOWING IS TRUE OF BLOOD IN THE PULMONARY VEINS? A. The blood is going to the body. B. The blood is oxygen poor. C. The blood is going to the lungs. D. The blood is oxygen rich. 17. A. RESPIRATORY B. REPRODUCTIVE C. EXCRETION D. CIRCULATORY 18. AN ALIEN SPECIES ARRIVES FROM OUTER SPACE AND BEGINS TO RAPIDLY PRODUCE HEALTHY OFFSPRING SIMILAR TO THE PARENTS. WHAT DO YOU KNOW ABOUT THE SPECIES? A. It needs oxygen to survive B. It has nothing that can harm it C. It is finding the nutrients it needs D. It is not a carnivore 19. WHAT ARE THE FIVE MAIN PARTS OF THE CARDIOVASCULAR SYSTEM? A. lungs, heart, blood, intestines, and diaphragm B. lungs, diaphragm, heart, alveoli, and trachea C. capillaries, veins, arteries, blood, and heart D. lymph, heart, vessels, lungs, and B proteins 20. WHICH OF THESE DESCRIBES HOW THE RESPIRATORY AND CIRCULATORY SYSTEMS WORK TOGETHER TO HELP CELLS OBTAIN OXYGEN AND REMOVE WASTE? A. The heart removes oxygen and makes new blood cells. B. The lungs filter oxygen and solid wastes from the blood. C. The heart pumps oxygen into the blood and removes carbon dioxide. D. The lungs allow oxygen to enter and carbon dioxide to leave the blood. 21. WHICH OF THE FOLLOWING IS NOT TRUE ABOUT THE FUNCTION OF BONES? A. Bones protect the body. B. Bones store minerals. C. Bones make blood cells. D. Bones help break down food. 22. NAME THE TWO MAJOR BODY SYSTEMS THAT WORK TOGETHER TO ASSIST YOUR BODY IN GENERAL MOVEMENT. A. muscular system and nervous system B. skeletal system and nervous system C. skeletal system and muscular system D. muscular system and cardiovascular system 23. REPRODUCTIVE SYSTEMS: WHICH OF THE FOLLOWING CORRECTLY LISTS PARTS OF THE REPRODUCTIVE SYSTEMS OF MALES AND FEMALES? A. Male: penis, fallopian tubes, prostate gland Female: ovaries, uterus, vagina B. Male: testes, epididymis, penis Female: vas deferens, vagina, fallopian tubes C. Male: prostate gland, penis, testes Female: uterus, vagina, fallopian tubes D. Male: vas deferens, cervix, penis Female: vagina, epididymis, ovaries 24. REPRODUCTIVE SYSTEM: WHAT IS THE FUNCTION OF THE TESTES IN THE MALE REPRODUCTIVE SYSTEM? A. The testes produce sperm and testosterone. B. The testes regulate the development of female characteristics. C. The testes transfer sperm to the female's body. D. The testes transfer sperm to the urethra. 25. WHAT IS THE RELATIONSHIP BETWEEN TISSUES AND ORGANS? A. Organs are made up of tissues. B. Organs are enclosed by tissues. C. Tissues contain one or more organs. D. Organs develop into tissues.