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ATAR HUMAN BIOLOGY UNIT 3.1 INTRODUCTION, ENDOCRINE AND NERVOUS OBJECTIVES Introduction and Scientific Method At the end of this section students should be able to: 1. Define the term science. 2. Make observations using a range of senses. 3. Use scientific equipment to make more accurate observations. 4. Make inferences based on observations. 5. Explain the purpose of scientific method. 6. Write a testable hypothesis. 7. Define and identify independent, dependent and control variables. 8. Define and explain the purpose of experimental and control setups. 9. Conduct an experiment controlling a number of variables. 10.Identify the sample size in an experiment and explain the need for having a large sample size. 11.Explain the purpose and method of random selection for experimental groups. 12.Explain the meaning and influence of experimental bias. 13.Conduct a ‘blind test’. 14.Explain why it is important to repeat experiments a number of times. 15.Discuss and identify biological variation and experimental error. 16.Identify the role of a placebo in the psychosomatic effect. 17.Draw an appropriate table and record data accurately into it. 18.Distinguish between continuous and discontinuous data. 19.Construct an appropriate graph for representing data. 20.Calculate the mean for a group of data. 21.Calculate percentage changes in data. 22.Write an appropriate conclusion for an experiment. 23.Design and conduct an extended investigation with a detailed method. 24.Identify weaknesses in experimental design and offer improvements. 25.Use scientific equipment appropriately. 26.Carry out experiments in a safe manor. 27.Work cooperatively with others. 28.Respect the opinions of others and carry out meaningful discussions. 29.Ethics are a set of moral principles or values observed by most people in society. Ethical behaviour follows those principles or values. Outline principles that an investigation involving humans must satisfy if it is to be ethically sound are:
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Endocrine 30.State the differences between endocrine and exocrine glands. 31.Define the term 'endocrine system'. 32.Label a diagram showing the glands of the endocrine system. 33.Describe the relationship between the hypothalamus, pituitary and other endocrine glands. 34.Define the term 'hormone'. 35.Outline how different hormones (protein/amine and steroid) act differently to change cell function / action. 36.Explain enzyme amplification 37.Explain hormone clearance 38.Explain how concentrations of hormones in the blood can be controlled by the process of negative feedback or feedback loops. 39.Describe the differences in action between the anterior and posterior pituitary. 40.Describe the target tissue and function for each of the hormones released by the anterior lobe of the pituitary. 41.Describe the target tissue and function for each of the hormones released by the posterior lobe of the pituitary.
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  • Fall '18
  • maya

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