57. Question: Which of the following is not the tissue type. The answer is Plasma because plasma belongs to the type of liquid. It is the colorless part in milk, blood or lymphs. A nerve refers to a fiber that transmits sensation to our brain and spinal chord. So this is considered as tissue An Epithelial is also a tissue, it usually covers the surface of our body. And lastly the connective is also a tissue that supports and connects our organs.