What happens to the blood when the pulmonary artery pumps it into the lungs? a. blood is sent to the rest of the body. b. oxygen is unloaded and carbon dioxide is loaded into the blood. c. carbon dioxide is unloaded and oxygen is loaded into the blood.

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]

the most common type of reef is the fringing reef. this type of reef grows seaward directly from the shore. they form borders along the shoreline and surrounding islands.