The Human Heart
updated 1/3/2014
This Internet scavenger hunt will take you to several websites.  As you complete the activities (and fill in the answers on the worksheet found here) you will develop a better understanding of this amazing organ. 

Question #
Visit this website  what are the dimensions of the average human heart according to the information presented here? [You will have to explore the website to find information on the human heart.]
Visit this website to discover the structure that "must force blood to all parts of the body against a great flow of resistance.  Give its name, and make a drawing of the heart, labeling its location.
Where is the heart located in the body? Use anatomic terminology to provide a precise explanation. (For example, use the planes, structures medial and lateral to the heart, etc.)
Tell the borders of the mediastinum.  Give lateral, inferior, superior, anterior, and posterior borders. Does the inferior mediastinum rest on the diaphragm?
From this site, list the names of the pericardial membranes from innermost to outermost.
Print plate 5-3 and color according to instructions given in this pdf.
Create a Venn diagram to differentiate cardiac and skeletal muscle tissue. (Use only information at this website.)
Do all cardiac muscle cells (myocytes) have a nucleus
Tell the location and function of these valves: tricuspid, bicuspid, mitral valve, aortic valve, pulmonary, and semilunar valves. You may label a diagram if you wish.
Trace deoxygenated blood leaving the right ventricle.  List the structures and tell what happens to one red blood cell.

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