Upper Sec Bio: The Nervous System (1)

What is a stimulus?

• It is the nerve impulse sent.

• It is a change in the environment.

• It is a reaction of an organism.

• It refers to either the brain or the spinal cord.

What is a response?

• It is a change in the environment.

• It is the reaction of an organism.

• It is the nerve impulse sent.

• It rfers to either the brain or the spinal cord.

What does the Central Nervous System (CNS) consists of?

• Brain and Sense organs

• Sense organs and Nerves

• Spinal cord and Nerves

• Spinal cord and Brain

Find the correct labels for (A) and (B).

• (A) Effector

  (B) Receptor

• (A) Receptor

  (B) Effector

• (A) Sensory neurones

  (B) Motor neurones

• (A) Motor neurones

  (B) Sensory neurones

Neurones transmit nerve impulses.

Match the labels to the correct type of neurones.

• (C) Sensory

  (D) Relay

  (E) Motor

• (C) Motor

  (D) Relay

  (E) Sensory

• (C) Relay

  (D) Motor

  (E) Sensory

• (C) Relay

  (D) Sensory

  (E) Motor