25. The Urinary System
Introduction to the Urinary System
Problem 21
Textbook Question
Textbook QuestionHow do the internal and external urethral sphincters differ structurally and functionally?
![](/channels/images/assetPage/verifiedSolution.png)
This video solution was recommended by our tutors as helpful for the problem above
Video duration:
1mPlay a video:
188
views
Was this helpful?
Related Videos
Related Practice