MICROANATOMY

Detailed explanation-1: -Pulmonary circulation transports oxygen-poor blood from the right ventricle to the lungs, where blood picks up a new blood supply. Then it returns the oxygen-rich blood to the left atrium.

Detailed explanation-2: -Answer and Explanation: The correct answer is b. It is a low-pressure system that allows for improved gas exchange. This type of circulation has blood flowing at a relatively lower pressure, with thinner blood vessels.

Detailed explanation-3: -Pulmonary circulation: It is the type of circulation where the unoxygenated and oxygenated blood is circulated in the lungs and heart, this occurs in the heart and lungs where pulmonary refers to lungs. This process mainly converts deoxygenated blood to oxygenated blood.

Detailed explanation-4: -For example, it is the only organ with two circulations: the pulmonary circulation, the main function of which is gas exchange, and the bronchial circulation, a systemic vascular supply that provides oxygenated blood to the walls of the conducting airways, pulmonary arteries and veins.