Whey is a by-product of cheese production and is a liquid that contains proteins, minerals, and lactose. It is often used as an ingredient in food products, such as protein shakes and smoothies. The term 'whey' can also be used to refer to the SERUM, or liquid portion, of milk that is left after the curds have been removed. PLASMA is the clear, straw-colored liquid component of blood that carries cells and proteins throughout the body. Missmuffetsfare is an old English nursery rhyme about a young girl named Little Miss Muffet who is frightened away by a spider.