Name all the hormones secreted by the Pituitary gland. 20. What are the causes of a bleeding per rectum?What is the effect of the parasympathetic fibers carried by the vagus nerve? They speed up the heartbeat. They increase the force of cardiac contractions, They slow the heartbeat The heartbeat is not influenced by the vagus nerve. D Question 8 0.2 pts The inner endothelial layer that lines the heart is the epicardium. pericardium myocardium. endocardium.

  
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