A student traces the continuous tube running from mouth to anus. That tube is the:
- Alimentary canal
- Auditory canal
- Arterial channel
- Axillary channel
Show answer and solution
Correct answer: A. Alimentary canal
1. Food passes along its whole length.
2. Accessory organs sit outside it.
3. It is the alimentary canal.
_Source: OpenStax Anatomy and Physiology 2e, Chapter 23, The Digestive System._