What is the amount of calories per gram of protein, carbs, and fats?
Proteins and carbohydrates contain 4 calories per gram, while fats contain 9 calories per gram.
What are the normal RBC (red blood count blood) levels for an adult female?
Normal RBC in an adult female range is 4.2-5.4 million cells/ml
What is the smallest bone in the human body?
Stapes - this tiny bone is located in the middle ear