Explanation:
sorry, I may use old terms; I believe it is at the hypothalamus, for endocrine system...
Answer:
Nucleic Acids
Explanation:
Nucleic acids are made out of nucleotides and they come in two forms: Deoxyribonucleic Acid (DNA) and Ribonucleic Acid (RNA). DNA holds the code of life, in other words, it holds the code for making proteins that are essential in building cells, tissues, and organs. DNA is found in the nucleus of a cell.
The oxygen is bonded and transported by the hemoglobin that is an iron bearing protein
My answer is A i hope this really helps u!
The relationship between the food we eat and the energy in our bodies is that food is converted to energy and without food we will not have energy, I think hopes this helped you out a little.