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Chemistry, 23.06.2021 04:20 rschaum08

contact your instructor to complete your Discussion-Based Assessment. You and your instructor will have a conversation based on the material you have learned in this module to ensure you are ready to move on. Take a few minutes to look over the grading rubric to get comfortable with the criteria your instructor will be using to grade you. The better you know the rubric, the better you will do! Think about any questions you still have about the material in this unit; this conversation is a great time to ask your instructor these questions. Test Prep Like a Scientist! Do you want a sneak peek at what test items are like? Give these practice questions a try. And remember, mistakes are a chance to learn! How do the systems of the human body work together? One of the goals of organ systems is to help the body maintain homeostasis. For example, not having too much or too little water in the body. Which of the following best describes how the human body responds if there is too much water in the body? The nervous system signals the skin to sweat. The skeletal system will grow more to use up excess water. The excretory system will help remove extra water and eliminate it as urine. The circulatory system will add more oxygen to react with the water and form new compounds. Check your Answer! What is an infectious agent? Pathogens are organisms that can make you sick. What do viruses and parasites have in common? Both are non-living. Both are treatable with antibiotics. Both depend on decomposition. Both depend on a host organism. Check your Answer! What are the important steps in an experiment? Kevin did an experiment to see if a new antibiotic killed a strain of bacteria better than an existing one. The new antibiotic was labeled Antibiotic One and the existing one was labeled Antibiotic Two. He made two petri dishes and let bacteria grow. Then he applied a different antibiotic to each one and measured how many bacteria died off. He did three trials like this. What is missing from Kevin’s experiment? Mult

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