Cardiovascular System 1, Heart, Structure and Function
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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