What part of speech is demands?

"Demands" can be either a noun or a verb, depending on how it's used in a sentence.

Noun:

* "The demands of the job were overwhelming."

* Here, "demands" refers to the requirements or expectations of the job.

Verb:

* "The boss demands a lot from his employees."

* Here, "demands" is the action of requiring something.

To determine the part of speech, look at the sentence structure and the context.