Which Statement Is NOT True of a Reflex Arc

question 133

Multiple Choice

Which statement is NOT true of a reflex arc?

• A)The central nervous system is not directly involved.
• B)A motor neuron carries impulses to the effector.
• C)A sensory neuron carries impulses from a receptor.
• D)The action that results is involuntary.

---

Definitions:

Earth's Surface

The outermost layer of the Earth, consisting of the crust and parts of the upper mantle that interact directly with the biosphere and atmosphere.

Minerals

Naturally occurring, inorganic solids with a definite chemical composition and a crystalline structure, forming the building blocks of rocks.

Minerals Weather

The process of breaking down or alteration of minerals in rocks by physical, chemical, or biological processes at or near the earth's surface.

Bowen's Reaction Series

A sequence that describes the order in which minerals crystallize from cooling magma according to their chemical composition and temperature.