Nitrogen is important for . healthy bones and teeth
oxygen transport in the blood
respiration
amino acids and DNA

i don’t no. suiopgohjk

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)]

it is a limiting nutrient limited by a single nutrient in the ecosystem, & the single goes very slow.