Exercise 6.1 a) Describe the mediastinum and its boundaries. The region betweenthe two pleural cavities‚ also contains the thymus‚ esophagus‚ andtrachea. b) Use the identify tool to label the sructures in the diagram belowc)Right common carotid arteryd)Brachiocephalic arterye)Right Brachiocephalic veinf)Ascending Aortag)Superior vena cavah)Interior of paricardial saci)Auricle of right atrium j)Right Atrium k)Diaphram l)Left common carotid artery m)Left subclavian arteryn)Left Brachiocephalic
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TOPIC : Frogs NARROWED FOCUS : Species of Frogs THESIS : There are over 4‚000 species of frogs but our focus will be limited to the Poison Dart‚ Wood and Darwin Frogs‚ which all belong to the Ranidae family. INTRODUCTION : Frogs belong to a group called amphibians which begin their lives in the water as eggs and then tadpoles and when fully developed they live on land. Three distinguishing elements such as: their habitat‚ size and the reason for the names given to them will be highlighted
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* GROUP 2: Elrey Joseph Calitis Mae Anjneth Cuaton How Atrial Tachycardia happens? Electrical signals in the heart’s upper chambers fire abnormally‚ which interferes with electrical signals coming from the sinoatrial (SA) node --- the heart’s natural pacemaker. A series of early beats in the atria speeds up the heart rate. The rapid heartbeat does not allow enough time for the heart to fill before it contracts so blood flow to the rest of the body is compromised. Video Presentation
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Currently‚ frog populations around the world are declining. Due to the nature of their life cycles and physiology‚ frogs are very sensitive to environmental changes. Frogs are born in the water as tadpoles. Frogs move onto land for their adult lives. This makes them vulnerable to changes in aquatic habitat availability. This also makes them vulnerable to changes in terrestrial habitat availability. Their aquatic habitats are drying out‚ in areas that are becoming more prone to drought. Frogs are also
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Chapter 19 The Cardiovascular System: The Heart 1. How is the heart positioned in the mediastinum? It rests on the diaphragm‚ near the midline of the thoracic cavity‚ with about two-thirds of the mass lying to the left of the body’s midline. 2. Which layer of the pericardium is both a part of the pericardium and a part of the heart wall? Serous pericardium 3. What is the function of pericardial fluid? Reduces friction between the membranes as the heart moves 4. From most superficial
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. Cardiovascular disorders: A case study xxxxxxxxxxxxx xxxxxxxxxxxxx xxxxxxxxxxxxxxxxx‚ Pathopharmacology October 27‚ 2013 Cardiovascular disorders: A case study Cardiovascular disease (CVD)‚ the leading cause of death in both men and women in the United States and worldwide‚ includes coronary artery disease‚ cerebrovascular disease‚ peripheral artery disease‚ rheumatic heart disease‚ deep vein thrombosis‚ congenital heart disease‚ and pulmonary embolism (Caboral‚ 2013). In the United States‚ heart
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and the Frog”‚ an adaptation of the classic fairytale “The Frog Prince” and is set in New Orleans‚ Louisiana during the 1920’s. In the movie Tiana has a dream about owning her own restaurant. She starts of as a waitress‚ working multiple jobs to help save the money to buy the mill. Lottie gives Tiana enough money to finish paying for the restaurant because she orders food. Naveen arrives with Lawrence and they find the Dr. Facilier‚ who transforms Lawrence into Naveen and Naveen into a frog. During
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Disney’s Heroines from The Little Mermaid to The Hunchback of Notre Dame By Celeste Lacroix argues consumerism and orientalization is rife throughout Disney princess movies. I disagree‚ and through my analysis of the Disney movie The Princess and the Frog I will prove that not all Disney princess movies are racially biased and portray woman as helpless creatures who need a man’s guidance. In Lacroix’s article she uses Disney movies such as Beauty and The Beast‚ The Little Mermaid‚ Aladdin‚ Pocahontas
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professor at the University of Bologna and in 1772‚ he became the president of the university. In 1776‚ he began to test the action of electricity on the muscles of dissected frogs. In 1783‚ while working with static electricity on a table at which he had dissected a frog‚ his assistant accidentally touched the frog with a charged scalpel and its legs kicked outward as a frog’s legs would while it’s living. This made Galvani the first to appreciate the relationship between life and electricity
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PhysioEX notes Autorhythmicity- heart’s ability to trigger its own contractions Phase O- a lot like depolarization in neuronal action potentials. Sodium channels open‚ increase of sodium INTO cell. Phase 1- sodium channels close‚ potassium channels close‚ decrease in potassium and sodium. Calcium channels open‚ increase of calcium into cell. Phase 2- Plateau phase‚ membrane still depolarized (contract). Potassium channels closed‚ L-type calcium channels stay open. Lasts 0.2 seconds/200
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