Use a Venn Diagram to Determine Which Relationship $\subseteq , = , \text { or } \supseteq$

question 31

Short Answer

use a Venn diagram to determine which relationship, $\subseteq , = , \text { or } \supseteq$ is true for the pair of sets.
- $$A \cup B , \quad A \cup ( B - A )$$

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Definitions:

Shivering

An involuntary response to cold temperatures, producing heat through rapid muscle contractions to maintain body temperature.

Negative Feedback System

A regulatory system in which a change in some steady state triggers a response that counteracts, or reverses, the change, restoring homeostasis (e.g., how mammals maintain body temperature). Compare with positive feedback system.

Integrator

In homeostasis, a control center.

Effector

(1) A muscle or gland that contracts or secretes in direct response to nerve impulses. (2) In homeostasis, an organ or process that helps restore a steady state.