Discussion:  In detail!!!!! Completely describe the dual role of the  pancreas:  consider the following!!! 1. What does it mean to say that the pancreas is both an endocrine and an exocrine organ? 2. Describe its anatomy and function as both endocrine and exocrine. 3. Describe the endocrine activity of the pancreas immediately following a meal and then four hours later.  4.  List critical hormones 5.  Describe the how the endocrine portion is stimulated and regulated.   

List the two chemical classifications of hormones and the location of hormone receptor:   Chemical Classification                                       Receptor location  [1]                                                 ——>                   [a]   [2]                                                 ——->                  [b] 

 Match the hormones to their correct target organ:   parathyroid                                                        anterior pituitary glucagon                                                            stomach ADH                                                                   bone erythropoietin                                                     brain FSH                                                                    liver gastrin                                                                red bone marrow melatonin                                                            gonads thyrotropin releasing hormone                             kidneys

Which of the following hormones increase and prolong effects of the sympathetic nervous system?  

Which agent of evolution introduces entirely new genetic variation into a population?

A scientist is constructing a phylogenetic tree for a group of animals and observes that two distantly related species both have spiny body coverings. However, when examining other species on the tree, the scientist finds that at least three other descendant species positioned between them do NOT have spiny body coverings. According to the parsimony principle, what is the MOST LIKELY explanation for the presence of spiny body coverings in the two distant species?

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For questions 8-10, choose the best answer based on the diagram below. The diagram demonstrates the primary forces that drive fluid into and out of the capillary.

22) How does parasympathetic stimulation of the vagi nerves impact the activity of the sinoatrial and atrioventricular nodes?