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Name:__________________________________Date:_____________________ Answer the following questions about information from this unit. 1. What is heartburn? How does it happen? (Think about the structure in the digestive tract that is close to the heart, and not protected by mucous.) ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ 2. Make a list of foods that humans could not eat if they did not have a liver? Why not? _____________________________________ _____________________________________ _____________________________________ _____________________________________ _____________________________________ _____________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ Digestive System: Activity 4 1 Name:__________________________________Date:_____________________ 3. Why can cows eat grass and humans cannot? What do they do differently during digestion than humans? If you have ever seen cows, what are they always doing with their mouths? Do you think that cows have an extra organ in their digestive tract to help them digest grass? ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ 4. Diabetes is a genetic metabolic disorder that affects all races especially Hispanics. Diabetes occurs when your cells are not receiving a sufficient amount of glucose. The prevalent symptoms of diabetes are high blood sugar level and glucose in the urine. Pretend you are a doctor and you have a patient who displays these symptoms. Which hormone would you conclude is not being produced? What organ normally produces this hormone? Can you think of possible ways to administer the hormone to your patient? When would you think the best time to administer this hormone would be? ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ Digestive System: Activity 4 2 Name:__________________________________Date:_____________________ 5. Apply your knowledge and speculate on a general mechanism in the body that could stimulate the contraction of the diaphragm and the abdominal muscles that stimulate vomiting. Begin with a trigger/receptor listed in the “What We Know” section and finish with the muscles that are stimulated. Your mechanism should list the steps a signal would take to get from the trigger/receptor to the muscles that make you vomit. You should incorporate your knowledge from other organ systems, mainly the nervous system. You may use resources on the web or at the library for additional information, but be sure to list your sources. Add more pages if necessary. ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ Digestive System: Activity 4 3
