cells in the human body are surrounded by a cell membrane. this membrane is made up of special lipid molecules called phospholipids. phospholipids consist of a phosphate head and long hydrocarbon tails. where do the elements in a phospholipid come from? responses a they originate from the water consumed by humans.they originate from the water consumed by humans. b they originate from the breaking down of other cells in the body as they grow older and are broken down. they originate from the breaking down of other cells in the body as they grow older and are broken down. c they originate from the soil and are absorbed by plants which are then consumed by humans.they originate from the soil and are absorbed by plants which are then consumed by humans. d they originate from sugars that were produced by photosynthesis and consumed by humans.