you need energy from plant sources as well as animals
hope this helps. if not i'm sorry.
Yes, the body does get all the energy from the sun. The body obtains energy by consuming and digesting food that the plant or animal has been going through CR. When we eat animals that eat plants, the energy from CR transfers to the consumers..
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)]