Question

fill in the blank question
an unconscious, automatic response to a stimulus involving effectors that regulate primitive functions such as blood pressure, heart rate, and body temperature is called a reflex.

Explanation:

A visceral reflex is an unconscious, automatic response to a stimulus. It involves effectors that regulate primitive functions like blood pressure, heart rate, and body temperature. These reflexes are part of the autonomic nervous system's control over internal organs.

Answer:

visceral