Biol250 Lab Report Cardio Heart Essay

1311 Words Sep 21st, 2013 6 Pages
Cardiovascular System: The Heart

Laszlo Vass, Ed.D. Version 42-0006-05-01

Lab Report Assistant

This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions, diagrams if needed, and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information in an editable file which can be sent to an instructor.


Explain why you did this
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The left side upper chamber of the heart will carry the oxygenated blood into the left atrium, passing through the mitral valve, into the left ventricle, then passing through the aortic valve into the aorta; where the oxygenated blood will be carried to all vital organs such brain, liver, kidneys, muscles and tissues.

The four heart valves make sure that blood always flows freely in a forward direction and that there is no backward leakage. As blood leaves each chamber of the heart, it passes through a specific valve to be carried for a certain function.

D. Compare the left and right sides of the dissected heart. What differences do you see?

The differences between the left and the right sides are that the left wall is much thicker the placement of artery that carries the blood flow. The left atrium have pectinate muscles lining the inner wall. The right atrium and the right ventricle, these membranes are connected to flaps of muscle called the papillary muscles by tendons called the chordae tendinae.

E. Compare and contrast the functions of the atria and the ventricles.

The contrast of the two upper atriums are smaller in size and have thinner flexible muscle tissue that store the blood in the atria then will push

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