The Nervous System-Introduction

The Nervous System

Introduction

Multiple Select

The nervous system is made from which of the following (choose all that apply):

• the brain

• the spinal cord

• the nerves of the body

• the muscles of the body

Multiple Choice

True or False- The brain is made of about 85 billion neurons.

• True

• False

Multiple Select

Which of the following are TRUE about the spinal cord?

• It is surrounded by your backbone.

• It carries information back and forth from your body to your brain.

• It is the CONTROL CENTER of the nervous system.

Multiple Select

(Choose 2)

The major job of the peripheral system is to....

• support the skeletal system.

• take in oxygen and release carbon dioxide from the body.

• allow the brain and spinal cord to receive and send information to other areas of the body.

• connect the central nervous system to the organs, limbs, and skin.

Multiple Choice

Which system is composed of the brain and spinal cord?

• CENTRAL NERVOUS SYSTEM (CNS)

• PERIPHERAL NERVOUS SYSTEM (PNS)

Multiple Choice

Which system is composed of the network of nerves that exist throughout the body?

• CENTRAL NERVOUS SYSTEM (CNS)

• PERIPHERAL NERVOUS SYSTEM (PNS)

Multiple Choice

Which type of neuron carries nerve impulses from the brain and spinal cord to muscles and glands.

• Sensory neurons

• Motor neurons

• Interneurons

MOTOR NEURONS

• Motor = movement = muscles.

• Carry nerve impulses from the brain to the spinal cord to the muscles.

Multiple Choice

Which type of neuron carry nerve impulses back and forth between sensory and motor neurons?

• Sensory neurons

• Motor neurons

• Interneurons

INTERNEURONS

• Act as an "intermediate".

• Carry impulses back and forth from sensory to motor neurons.

Multiple Choice

Which type of neuron carry nerve impulses from tissues and organs to the spinal cord and brain?

• Sensory neurons

• Motor neurons

• Interneurons

SENSORY NEURONS

• Connect your organs that sense to your nervous system.

• Carry nerve impulses from organs and limbs to spinal cord and brain.