PLEASE HELP. Food cannot be used directly to drive your living processes. In your own words, explain how the food you eat is converted into usable energy.

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carbon

explanation:

i believe the answer would be b. hope it : )

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)]