Bone marrow contains blood I think, so it would be considered a donor procedure since you're donating blood.
Vitamins dont contain calories. only fat, protein, and and carbohydrates contain calories. vitamins are chemicals that the body needs in small amounts to to support biochemical reactions.
Carbohydrate provides 4 calories per gram, protein provides 4 calories per gram, and fat provides 9 calories per gram.
Answer:
It means we are sad and stuff
Explanation:
Because of what happened
