Pick and respond to five of the following questions. 1, What is an endocrine gland, and what are the functions of hormon

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Pick and respond to five of the followingquestions.
1, What is an endocrine gland, and what are the functions ofhormones?2.Explain the difference between steroid hormones andnonsteroidhormones in terms of their actions at target cells.3.How can hormones have very specific functions when they reachnearlyall parts of the body through the blood?4.What determines plasma concentrations of specific hormones?Whatdetermines their effectiveness on target cells and tissues?5.Define the terms upregulation and downregulation. How do targetcellsbecome more or less sensitive to hormones?6.What are second messengers, and what role do they play inhormonalcontrol of cell function?7.Briefly outline the major endocrine glands, their hormones, andthespecific action of these hormones.8. Which of the hormones outlined in question 7 are of majorsignificanceduring exercise?9.What hormones are involved in the regulation of metabolismduringexercise?10.How do they influence the availability of carbohydrates and fatsforenergy during exercise lasting for several hours?11.Discuss how the central nervous system helps integrateglucoseregulation and the hormones involved in this process.12.Describe the hormonal regulation of fluid balance duringexercise.13.Discuss the sources and function of the hormonescholecystokinin,leptin, and ghrelin, and explain how they are interrelated.