Cardiovascular System 2, Blood circulation with MCQs

Download my e books from, The heart muscle receives its blood supply from the right and left coronary arteries. Blood from the gut flows directly to the liver, via the hepatic portal vein. Heart 1, Structure and function 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