Early Speculations by Pavlov Were That There Were Specific ______

question 21

Multiple Choice

Early speculations by Pavlov were that there were specific ______ in the brain for the US, CS, and the UR.

• A) pathways
• B) cells
• C) systems
• D) centers

---

Definitions:

Donald Trump

The 45th President of the United States, serving from 2017 to 2021, known for his distinctive policies and tenure in business before politics.

Advertising Revenue

Income generated by selling commercial or promotional time or space in various media platforms.

News Outlet

An organization that provides news coverage and reports on current events to the public through various media channels.

Congressional Committee

Specialized legislative groups within the United States Congress responsible for conducting hearings, examining and developing legislation, and conducting investigations.