Development Learning Task 1. Direction: Give the name of the missing parts of the illustrations below then give the function. Write ONLY your answer in your answer sheet. -Capillary bed of lungs where gas exchange occurs Pulmonary veins 1. Pulmonary circuit Vena cavae 2. Left atrium 4. 3. Right ventricle Systemic veins. Oxygen poor, CO₂-rich blood -Systemic arteries Systemic circuit Oxygen rich, CO₂-poor blood Capillary bed of all body tissues where gas exchange occurs​