It really depends on what type of swallow but 3 1/2 to 4 1/2 inches.
I don’t think so, it’s not really comparing anything
Answer:
anecdote
Explanation:
The rhetorical device that is used in this excerpt from Mark Twain's "The Danger of Lying in Bed" is anecdote (assuming that your options are allusion, rhetorical question, anecdote, and logic).