B A

What are the main parts of the Central Nervous System?

• Brain & Chest

• Spinal Cord & Spinal Nerves

• Brain & Spinal Cord

• Heart & Brain

Answer explanation

The Central Nervous System (CNS) is primarily composed of the brain and spinal cord. The brain is the command center for your body, and the spinal cord is the pathway for messages sent by the brain to the body and from the body to the brain. Hence, 'Brain & Spinal Cord' is the correct answer.

Which number shows the motor neuron?

• 4
• 5
• 2
• 1

What neuron is this?

• Relay

• Motor

• Reflex

• Sensory

Answer explanation

The question asks about a type of neuron. The correct answer is 'Sensory'. Sensory neurons are responsible for converting external stimuli from the organism's environment into internal electrical impulses. They are the neurons responsible for perception of various sensory inputs including vision, taste, sound, smell, and touch.

What neuron is this?

• motor
• sensory
• relay
• reflex

A reflex does not always go to the brain, what neuron allows the information to be take to the brain from a reflex?

• Relay
• Motor
• Sensory
• Reflex

In this picture, the red line represents a(n)

• motor neuron
• sensory neuron
• receptor
• interneuron

In this picture, the blue line represents a(n)

• interneuron
• motor neuron
• sensory neuron
• effector

This picture is an example of a

• Nerve Impulse
• Reflex Arc
• Neural Arc
• Cerebral Processing

Cells in the nervous system that carry nerve impulses are called?

• nerve cells
• neurons
• neutrons
• newtons

Neurons that transmit impulses to the CNS are called

• neuoglia
• sensory
• efferent
• association