12 coordination and response

Front

What is a motor neurone?

Back

A type of neurone that carries impulses away from the central nervous system to effectors such as muscles or glands.

Front

What is a sensory neurone?

Back

A type of neurone that carries impulses from sensory receptors to the central nervous system.

Front

What is the function of the retina in the eye?

Back

The retina contains light receptor cells (rods and cones) that detect light and convert it into neural signals.

Front

What are rods and cones?

Back

Rods are photoreceptor cells in the retina that detect light intensity, while cones detect color.

Front

What is a reflex arc?

Back

A neural pathway that controls a reflex action, typically involving a sensory neurone, a relay neurone, and a motor neurone.

Front

What is the role of the cornea in the eye?

Back

The cornea is the transparent front part of the eye that refracts light to help focus it on the retina.

Front

What is the function of the iris?

Back

The iris controls the size of the pupil and thus the amount of light that enters the eye.

Front

What is the lens of the eye responsible for?

Back

The lens focuses light onto the retina, adjusting its shape to change the focal distance.

Front

What is the pupil?

Back

The pupil is the opening in the center of the iris that allows light to enter the eye.

Front

What is the central nervous system (CNS)?

Back

The CNS consists of the brain and spinal cord, processing information and coordinating responses.