what is the only part of the human body that has no blood supply answer see the cornea where exactly in the human body as bile stored answer a gallbladder what is the normal resting heart rate for an adult answer be sixty to one hundred beats per minute which of these is the only human cell type not to contain any dna in the human body answer a red blood cells the outside layer of skin on the human body is called what answer b epidermis which gland produces melatonin in the human body answer see pineal gland
