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Cardiovascular System The Heart Detailed Questions and Expert Answers

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Cardiovascular System The Heart Detailed Questions and Expert Answers

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  • August 8, 2024
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  • 2024/2025
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Cardiovascular System The Heart Detailed
Questions and Expert Answers

List the 3 components of the Cardiovascular System (CV System) - ANS 1. blood

2. the heart

3. blood vessels



Which component of the CV system contains cardiac muscle? - ANS the heart



Which component of the CV system contains smooth muscle? - ANS blood vessels



What enclosed cavity is the heart found in? - ANS pericardial cavity



What tissue lines the pericardial cavity? - ANS parietal pericardium



Which pericardial tissue covers the heart? - ANS visceral pericardium



What lies between the 2 pericardial layers? - ANS a small space containing
pericardial fluid



How large is the heart? - ANS roughly the size of a fist

, How many times a day does the heart beat? - ANS roughly 100,000 times!



What are the 3 layers of heart tissue? - ANS 1. epicardium

2. myocardium

3. endocardium



Which layer of heart tissue is the same as the visceral pericardium? - ANS the
epicardium



What tissue layer makes up the bulk of the heart? - ANS the myocardium



Which heart tissue layer lines the heart & is actually in contact with blood? - ANS
the endocardium



Does the blood flowing through the heart nourish the myocardium? - ANS No. The
myocardium is too thick. The heart has its own blood supply called the coronary
circulation.



What types of cells make up the bulk of the myocardium? - ANS cardiac muscle
cells, which are branched, contain intercalated discs, and are striated &
involuntary cells



How many "chambers" are found inside the heart? - ANS 4

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