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Lecture 10 - circulation 2 all Questions & answers
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Lecture 10 - circulation 2 all Questions & answers
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Lecture 10 - circulation 2vertebrate hearts have - walls with - main parts-✔✔ complex, four
pericardium is a sac of-✔✔ connective tissue that surrounds heart
pericardium has - layers-✔✔ outer and inner
epicardium is the - of the heart, continuous with --✔✔ outer layer, visceral
pericardium
epicardium contains nerves that regulate-✔✔ heart and coronary arteries
myocardium is the layer of-✔✔ heart muscle cells
endocardium is the innermost layer of-✔✔ connective tissue covered by
epithelial cells
two types of myocardium-✔✔ compact and spongy
myocardium in mammals is mostly-✔✔ compact
myocardium in fish and amphibians is mostly -, arranged as - that extend
into chambers-✔✔ spongy, trabeculae
bird and mammals have - atria and -ventricles-✔✔ two thin-walled, two
thick-walled
birds and mammals have two types of valves-✔✔ atrioventricular valves
and semilunar valves
atrioventricular valves in bird and mammals are between -, and - is on right,
- on left-✔✔ atria and ventricles, tricuspid, bicuspid
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