Nervous system

Front

What is the function of the nervous system?

Back

The nervous system coordinates the body's responses to internal and external stimuli, controls movement, and processes sensory information.

Front

What are the two main parts of the nervous system?

Back

The central nervous system (CNS) and the peripheral nervous system (PNS).

Front

What is a neuron?

Back

A neuron is a specialized cell that transmits nerve impulses throughout the body.

Front

What is the role of dendrites in a neuron?

Back

Dendrites receive signals from other neurons and transmit them to the cell body.

Front

What is the axon?

Back

The axon is a long, slender projection of a neuron that conducts electrical impulses away from the cell body.

Front

What is myelin and its function?

Back

Myelin is a fatty substance that insulates axons, speeding up the transmission of nerve impulses.

Front

What are sensory neurons?

Back

Sensory neurons carry signals from sensory receptors to the central nervous system.

Front

What are motor neurons?

Back

Motor neurons transmit signals from the central nervous system to muscles, enabling movement.

Front

What is the role of the cochlea in the ear?

Back

The cochlea converts sound vibrations into electrical signals that are sent to the brain.

Front

What are cones in the retina?

Back

Cones are photoreceptor cells in the retina responsible for color vision and visual acuity.