his central organelle in plant cells helps to keep the plant cell turgid: ____ ____ ____.; which of the following is not a function of the human body; which of the following is not a function of the epidermis; which of the following is not a function of the epididymis; which of the following is not a type of tissue; the first organisms on earth were mostly likely ________ cells.; which feature is not found in viruses?; which of the following is not a function of tissue