What is homeostasis? 2. Define the set point and normal range for physiological measures . 3. What happens when homeostasis is not accomplished? 4. How is a condition such as diabetes a good example of the failure of a set point in humans? 5. Compare and contrast negative and positive feedback loops. 6. Explain how negative feedback controls body temperature. 7. Give two examples of physiological proces ses that are controlled by positive feedback loops. 8. During breastfeeding, the stimulus of the baby sucking on the nipple increases the amount of milk produced by the mother. The more sucking, the more milk is usually produced. Is this an example of negati ve or positive feedback? Explain your answer. 9. Identify the four types of tissue in the body, and describe the major functions of each tissue . 10. What are examples of cells that can readily divide and cells that can divide only under rare circumstances? 11. Why does skeletal muscle look striated? 12. Which morphological adaptations of neurons make them suitable for the transmission of nerve impulse? 13. Why are bone and blood both classified as connective tissues?
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Biology, 22.06.2019 16:40, 1kafran1
Aremote community desperately needs more electrical energy. it is located in an area with the following characteristics: average wind speed of 15 – 20 km/hr some medium-sized rivers with slow-moving currents few coal deposits some oil exploration being conducted within 400 miles based on the above information, which energy source would be the most economical and safest for the community to pursue? a. fossil fuel b. hydroelectric c. nuclear d. wind
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