What Is the First Structure of a Reflex Arc

question 34

Multiple Choice

What is the first structure of a reflex arc?

• A)effector (muscles or glands)
• B)receptor
• C)sensory neuron
• D)motor neuron

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Definitions:

Ocean Zones

The division of the ocean into different layers or regions, typically based on depth, light penetration, distance from the shoreline, and ecological characteristics.

Variable Conditions

Situations or environmental factors that can change or vary, affecting outcomes in experiments or processes.

Biota

The total collection of organisms in a given area or at a given time.

Emergent

A phenomenon or property that arises from the complex interactions of simpler elements, not predictable from the characteristics of the individual elements alone.