A&P 2 - Heart Question and answers 100% correct

A&P 2 - Heart Question and answers 100% correct A&P 2 - Heart Describe the differences in the basic organization and principle function of the two primary circulatory routes: the pulmonary circulation and the systemic circulation - correct answer - Pulmonary circulation - carries blood from heart through lungs back to heart. Allows for exchange of gases w/in lungs where CO2 is exchanged for O2 - Systemic circulation - carries oxygenated blood from heart to tissues and organs of body and returns O2-poor/CO2-filled blood back to heart Describe the coronary circulation route - correct answer Blood leaving the left side of the heart flows directly from the aorta into the coronary arteries and then returns to the right side of the heart via the cardiac veins. Identify the layers of the pericardium and describe the function of the pericardial fluid - correct answer - Parietal pericardium - outer layer away from heart -- divided into fibrous and serous layer - Visceral pericardium - inner layer on surface of heart - Pericardial cavity - space b/t parietal pericardium and visceral pericardium - Pericardial fluid - provides lubrication between the two surfaces and allows the heart to move smoothly as it beats