Our Respiratory system gets rid of Carbon Dioxide as a waste product. Carbon Dioxide is then taken in by plants for the process of _

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)]

when it is at an intermediate population density