DIRECTIONS: Use the Web page below to help you fill in the blanks of these sentences about the heart.
The Heart in Plain English at http://www.curiousheart.com/theheart1.htm
- The heart is shaped like a __________.
- Problems with the heart valves can create a heart sound called a __________.
- The __________ is a wall that separates the left and right sides of the heart.
- The small blood vessels in the lungs are called __________.
- The top two chambers of the heart are the left and right __________.
- __________ and __________ are very important in the conduction system of the heart.
- The inner lining that covers the internal structures of the heart is the __________.
- The __________ have very thin walls through which blood cells exchange carbon dioxide for fresh oxygen.
- If the blood vessels were a highway system, the __________ would be an interstate!
- The __________ valve separates the left atrium and the left ventricle.
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