A marcomolecule that contains carbon, hydrogen, oxygen, and nitrogen which is used by the for growth and repair.

Protein is a marcomolecule that contains carbon,hydrogen,oxygen, and nitrogen which is used by the organisms for growth and repair

Explanation:

Macromolecules are those molecules which are large in size and does not pass through semi-permeable of the cell during the process of diffusion and active transport. Protein is a macromolecule which is composed of many amino acid. Our body does not take protein directly, it is first broken down into simpler substances such as amino acids. This amino acid is absorbed by the body and use it for growth and repair of damage cells.

your body is trying to warm itself up. or more precisely, sensors in your skin send messages to your brain to generate heat to your body.