Youtor
A Journey Through Your Nervous System
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=VWamhZ8vTL4
Check out the Respiratory System series, • Breathing • Which chamber of the heart pumps blood into the pulmonary artery? • a. the left atrium • b. the right atrium • c. the left ventricle • d. the right ventricle • Which chamber of the heart pumps blood into the systemic circulation? • a. the left atrium • b. the right atrium • c. the left ventricle • d. the right ventricle • Which chamber of the heart receives blood from the pulmonary circulation? • a. the left atrium • b. the right atrium • c. the left ventricle • d. the right ventricle • Which layer of the heart is composed of tough fibrous tissue? • a. the endocardium • b. the myocardium • c. the epicardium • d. the pericardium • The endocardium is composed of • a. tough fibrous tissue • b. cardiac muscle • c. smooth, squamous endothelial cells • d. ciliated, cuboidal epithelial cells • Which layer of the heart is composed of cardiac muscle? • a. the endocardium • b. the myocardium • c. the epicardium • d. the pericardium
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