Which child is Katie, a newborn, most likely to gaze at longer in the following scenario? At Michelle's Munchkins Daycare, the kids are having a contest to see who Katie will look at longer. Zack starts crying; Liam is frowning; Chase is sticking out his tongue; and Lexi is smiling.

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)]