REFLEX ARC

Front

What is a reflex arc?

Back

A reflex arc is a neural pathway that controls a reflex action. It typically involves a sensory neuron, a relay neuron, and a motor neuron.

Front

What organ does a reflex arc miss out originally?

Back

Brain

Front

What is the correct order of neurons in a reflex arc?

Back

Sensory neuron, relay neuron, motor neuron.

Front

Can a muscle be an effector in a reflex arc?

Back

True

Front

What is a stimulus?

Back

A change in the environment that is detected by receptors.

Front

What role do sensory neurons play in a reflex arc?

Back

Sensory neurons transmit signals from receptors to the central nervous system.

Front

What is the function of relay neurons in a reflex arc?

Back

Relay neurons connect sensory neurons to motor neurons within the central nervous system.

Front

What is the role of motor neurons in a reflex arc?

Back

Motor neurons carry signals from the central nervous system to effectors, such as muscles.

Front

What is an effector?

Back

An effector is a muscle or gland that responds to signals from motor neurons.

Front

What happens when a stimulus is detected by a receptor?

Back

The receptor sends a signal through sensory neurons to the central nervous system.