7th - The Nervous System

A ________ is an animal's reaction to a stimulus.

• response

• comeback

• retort

• rejoinder

The ________ is the part of a complex animal's nervous system that receives information, interprets it, and controls the animal's response.

• spinal column

• brain

• vertebrae

• heart

Eyes and ears are examples of ________ organs.

• hormonal

• perception

• sense

• recognition

The odor of baking read is an example of a(n) ________.

• response

• impulse

• provocation

• stimulus

A(n) ________ is an electrical message that travels through the nervous system.

• impulse

• response

• neuron

• stimulus

Which neurons carry response information to organs.

• sensory neurons

• motor neurons

• interneurons

• receptor neurons

A(n) _______ is a nerve cell with a unique structure for receiving and passing on information.

• impulse

• stimulus

• neuron

• spinal cord

Blinking in bright light is an example of a(n) ________

• provocation

• impulse

• stimulus

• response

A(n) ________ is a sense organ that detects stimuli in the form of sight.

• eye

• nose

• ear

• mouth

Scientists have discovered that a ________ can regrow a limb due to a protein called nAG.

• human

• newt

• dog

• flamingo