The Thymus Gland Is Part of Both the Endocrine and Immune

question 19

True/False

The thymus gland is part of both the endocrine and immune systems.

---

Definitions:

Classical Conditioning

Classical conditioning is a learning process through which an association is made between a naturally occurring stimulus and a previously neutral stimulus.

Classical Conditioning

A learning process that occurs when two stimuli are repeatedly paired; a response that is first elicited by the second stimulus is eventually elicited by the first stimulus alone.

Negative Reinforcement

A behavioral principle where the removal of an unfavorable event or outcome after the display of a behavior increases the likelihood of that behavior being repeated in the future.

Fixed-Ratio Schedule

A schedule of reinforcement where a response is rewarded only after a specified number of responses have been made.