Answer: Stem cells are like baby cells that haven’t decided what they want to be yet, so they could become anything. The other cells in our body already have either DNA to be a skin cell, muscle cell, kidney cell, red blood cell (to carry oxygen which binds to hemoglobin in the RBC), or a WBC (which helps fight off infections such as bacteria and viruses). I hope that this helps. Misty RN, BSN
The nutrients that provide energy are commonly referred to as macronutrients (carbohydrates, lipids, and proteins). Carbohydrates and proteins provide a similar amount of energy per gram of food.
