Introduction to the Nervous System

Front

What do neuroglia do?

Back

Support and nourish neurons.

Front

Astrocytes are responsible for:

Back

Creating the blood-brain barrier.

Front

The nerve cell that carries impulses from a sense receptor to the brain or spinal cord is a _____________.

Back

Sensory Neuron.

Front

What part of the neuron is myelinated?

Back

Axon.

Front

Peripheral Nerves are part of the...

Back

PNS (Peripheral Nervous System).

Front

What is the primary function of neurons?

Back

To transmit electrical impulses throughout the body.

Front

What are the two main types of nervous systems in the human body?

Back

Central Nervous System (CNS) and Peripheral Nervous System (PNS).

Front

What is the role of the myelin sheath?

Back

To insulate axons and increase the speed of impulse transmission.

Front

What are the three types of neurons?

Back

Sensory Neurons, Motor Neurons, and Interneurons.

Front

What is the function of motor neurons?

Back

To carry impulses from the CNS to effectors (muscles or glands).