3heart - HKin 191 Lab 3: Anatomy of the heart and the...

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HKin 191 Lab 3: Anatomy of the heart and the cardiovascular system (1) HKin191 page 1 of 3 JLR 2009 Objectives: this lab is intended to give you a basic overview of the anatomy of the heart and the cranial vasculature. You should understand the flow of blood through the heart, the chambers, the inflow and outflow “tracts”, and the location of all of the valves. Knowing cardiac anatomy is essential to understanding how the heart generates pressure and why it is a “pulsatile” (not a continuous) pump. As the heart is a continuously working muscle, it needs a good supply of O 2 and fuel (and waste disposal), so the coronary circulation is a critical part of the vasculature (to the extent that blockages of this system are one of the most common causes of death in humans). Blood flow to the head is also critical as the brain is very metabolically active (i.e. high fuel and O 2 requirements). Also, as we learned last week, many hormones are secreted from the brain (or regions very closet to the brain) into the circulation. Anatomy of the heart 1) Locate the heart in the pericardial cavity in torso model (compare to figure 20.1) 2) Heart anatomy Locate the following structures in text figures and in the heart models
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This note was uploaded on 05/21/2011 for the course BHK 191 taught by Professor Jim during the Spring '11 term at The University of British Columbia.

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3heart - HKin 191 Lab 3: Anatomy of the heart and the...

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