Test your knowledge of anatomy by labeling the diagram presented here in the shortest amount of time and with the fewest errors. Then score your performance. The scoring system takes into account both the time needed to complete the quiz, and the number of tries you need to do so.
Click on the appropriate box to obtain a list of possible labels, then select the choice that represents the best label.
The scoring system takes account not only of the time needed, but also of the number of tries you make.