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 #
Question
1
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.]
2
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.
3
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.)
4
Tell the borders of the mediastinum.  Give lateral, inferior, superior, anterior, and posterior borders. Does the inferior mediastinum rest on the diaphragm?
5
From this site, list the names of the pericardial membranes from innermost to outermost.
6
Print plate 5-3 and color according to instructions given in this pdf.
7
Create a Venn diagram to differentiate cardiac and skeletal muscle tissue. (Use only information at this website.)
8
Do all cardiac muscle cells (myocytes) have a nucleus
9
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.
10
Trace deoxygenated blood leaving the right ventricle.  List the structures and tell what happens to one red blood cell.

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