What is organ?
What is an organ?
What are all the organ systems? What are the different organ systems? How does an organ differ from an organelle? How many organ are there in human body? What are the 12 organ systems? Why are they important? What are the 7 organ systems? Which is largest internal organ in the body? What are the different types of Organ instruments? What organs are in the human skeletal system? What's the difference between an "organ" and a "piano"? What are homologous organs? What is the difference between a piano and an organ? Which is the longest organ in human body? What organs are in the circulatory system? What's the difference between a gland and an organ? What is a kidney? Which organ in humans purifies blood? What's the difference between homologous and analogous organs? What are the differences between piano and organ? What are the major organs of the skeletal system and what functions do they serve? What organs are located in the peritoneal cavity? What function do they serve? What is the function of the kidney? In diagram I want the the organs in the human body? What is the first species to have evolved a leg-like organ? What is the fastest healing organ in the human body? What are the organs of the League of Nations? What is a kidney stone? What is the epithelial tissue? What functions does it have? Are the immune system and lymphatic system actual organ systems? What is a blood vessel?