What is the difference between tissue and organ?
The difference is tissue makes up organs so without tissue there is no organ.
Flow is the amount of blood flowing through an organ, tissue or vessel at a given time. Perfusion is the flow per given volume or mass of tissue. Thus a large organ could have greater flow but less perfusion then a small one such as an ovary because the ovary receives much more blood per gram of tissue.
autograft is tissue taken from one part of a patient's body in order to repair or replace injured tissue in another part of the same patient's body. OR a tissue or organ that is grafted into a new position on the body of the individual from which it was removed. allograft is tissue taken from one patient (the donor) to be used in another, such as for a heart or kidney transplant. OR a tissue…