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Questions and Answers
Which layer of simple squamous epithelium lines the inside of the heart?
Which layer of simple squamous epithelium lines the inside of the heart?
- Epicardium
- Pericardium
- Endocardium (correct)
- Myocardium
To which chamber does blood transported by the pulmonary veins return?
To which chamber does blood transported by the pulmonary veins return?
- Left atrium (correct)
- Right ventricle
- Left ventricle
- Right atrium
What is the valve between the left ventricle and the blood vessel leaving the left ventricle?
What is the valve between the left ventricle and the blood vessel leaving the left ventricle?
- Tricuspid valve
- Pulmonary semilunar valve
- Bicuspid valve
- Aortic semilunar valve (correct)
What is the bulk of the heart composed of?
What is the bulk of the heart composed of?
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Which blood vessels carry blood away from the heart?
Which blood vessels carry blood away from the heart?
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Study Notes
Heart Structure and Function
- The endothelium, a layer of simple squamous epithelium, lines the inside of the heart.
- Blood transported by the pulmonary veins returns to the left atrium.
- The aortic valve is located between the left ventricle and the aorta, the blood vessel leaving the left ventricle.
- The bulk of the heart is composed of cardiac muscle, also known as myocardium.
- Arteries, specifically the aorta and its branches, carry blood away from the heart.
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