The muscular tube that carries the bolus from the pharynx to the stomach is the
- A. trachea
- B. larynx
- C. oesophagus
- D. small intestine
Explanation
The oesophagus moves the bolus by waves of peristalsis in a matter of seconds. The trachea carries air, a fact the swallowing mechanism protects by closing it off.
Related questions
Hydrochloric acid in gastric juice is important because it
Pepsin is secreted in an inactive form as pepsinogen because
The enzyme that digests fats into fatty acids and glycerol is secreted mainly by the
Trypsinogen released by the pancreas is converted into active trypsin by
Most of the products of digestion are absorbed in the