11 markFull screenSaveWhich of the following best describes the function of vitamin D in a human?A.Vitamin D forms an essential part of collagen protein which is the main component of skin, hair and nails.B.Vitamin D is needed for strong bones and teeth and a deficiency may lead to osteoporosis later in life.C.Vitamin D assists with the absorption of calcium and is therefore needed to build strong bones and teeth.D.Vitamin D is an important component of haemoglobin which is needed for the transport of oxygen to the cells.Choose your answerABCDSubmit answer🛟Question helpView answer