Antibodies aren't made up of nutrients exactly, but are made of protein (different in structure from the protein you eat).
Protein.
carbohydrates
Water
Nutrient? That would be fat. But if you mean substance, that would be water.
Protein
phosphorus
Water is the nutrient that makes up more than 50 percent of your body weight. It plays a crucial role in various bodily functions such as temperature regulation, digestion, and nutrient transport.
water.
Protein
Yes, warming up breast milk can affect the nutrient content by potentially reducing some of the beneficial properties, such as enzymes and antibodies. It is recommended to warm breast milk gently and avoid overheating to preserve its nutritional value.
Water
A lymphocyte that makes antibodies?