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BIOL 322 exam 1 2025 Questions and Answers pulmonary circulations - ....ANSWER systemic circulation - ....ANSWER elastic - ....ANSWER ...-sends blood to the lungs and back ...-sends blood to the body and back ...-large arteries have walls often made of what kind of tissue arterioles - ....ANSWER ...-medium sized arteries flow into these smooth muscle - ....ANSWER ...-arterioles are comprised of a lot of what kind of tissue flow of blood - ....ANSWER ...-arterioles have the largest impact on the ______ __ ________ capillaries - ....ANSWER pericardium - ....ANSWER ...-the functional unit of the CVS ...-sac of dense irregular connective tissue which surrounds the heart epethelium - ....ANSWER pericardial fluid - ....ANSWER ...-this lines the pericardium ...-epithelium that line the pericardium secret what precapillary sphincters - ....ANSWER ...-discs of smooth muscle which regulate blood flow into the capillarys …FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 1