Unit 6 Circulatory System
For Heart Dissection Quiz: Identify the following tissues and structures of the heart: (see powerpoint attached below for practice!)
TISSUES: apipose tissue, myocardium, endocardium (epithelial on inside of the heart), connective tissue (in valves)
Structures: aorta versus pulmonary artery, coronary blood vessels, atria, ventricles, AV valves (tricuspid and bicuspid), aortic and pulmonary semilunar valves, apex, septum, papillary muscles, chordae tendinae,
LEARNING OBJECTIVES FOR EXAM:
□ Name and identify the major organs of the Circulatory system.
□ Understand how blood flows through the heart (including the pulmonary, systemic and cardiac circuits) and each of the major blood vessels leaving/entering the heart (Be able to draw this!). Describe when it becomes oxygenated and where it loses its oxygen.
□ Know the anatomy of blood vessels including similarities and differences between arteries and veins and smaller blood vessels in terms of the structure and their functions
□ Identify the name and function of the structures of the heart identified in lab including pericardium, septum, 4 different valves, endocardium, epicardium, myocardium, chordae tendinae, papillary muscles, ventricles, apex, interventricular septum, aorta, pulmonary artery, left/right atria, coronary sinus, and coronary artery, superior/inferior vena cava, pulmonary vein
□ Know that heart disease is the leading cause of death in the US, what factors have led to a major increase in this disease, if and how it can be prevented, and how it leads to death.
-Identify the cell and tissue types that make up the cardiovascular system (CVS) and the characteristics of each - myocardium, endothelium, endocardium, smooth muscle, connective tissue.
□ There are two numbers in blood pressure – explain what systolic and diastolic means and which is on top of the reading and which value is higher. State a typical value for a healthy adult.
□ Explain the role of the pacemaker (SA node) in the heart and how the nervous system changes its normal action. State what happens when the SA node fails and what the role of the AV node is in this case. (This is all part of what is called the CARDIAC CONDUCTION SYSTEM)
□ Describe the electrical activity of the heart in terms of what events you would see on an EKG (ECG) – describe what is happening in each of the waves that make up a cardiac cycle and what atrial and ventricular fibrillation look like on an EKG
□ Describe atherosclerosis and the technologies and medicines used to treat it including bypass surgery, angioplasty& stents, nitroglycerin, and statins
RESOURCES:
Intro video shown in class: Blood (see questions attached below)
https://www.youtube.com/watch?v=XjE9mkzabSE&index=4&list=PLupoLr9nAYyQH37N6UxH4n3KtkVft_Scf
Extra videos for review:
HEART DISSECTION LINKS:
http://www.biologycorner.com/anatomy/circulatory/heart/heart_dissection.html
Pig heart dissection video:
https://www.youtube.com/watch?v=FN7aVXEkFzg&safe=active
VIDEO REVIEWS: