Homeostasis and Body Systems Quiz

What are the two types of actions controlled by an animal's nervous system?

• Voluntary and involuntary

• Active and passive

• Reflexive and automatic

• Conscious and subconscious

What composes the central nervous system (CNS)?

• Brain and spinal cord

• Heart and lungs

• Muscles and bones

• Skin and hair

What links all parts of the body to the CNS?

• Nerves

• Blood vessels

• Muscles

• Bones

What is a nerve composed of?

• A bundle of nerve cells or neurones

• A group of muscles

• A collection of bones

• A series of blood vessels

What role do effectors play in the body?

• They pick up changes inside and outside the body

• They generate electrical impulses

• They receive messages from the CNS and bring about a response

• They store nutrients

How do receptors communicate with the central nervous system (CNS)?

• By sending chemical signals

• By generating electrical impulses

• By producing hormones

• By contracting muscles

What are effectors in the context of the nervous system?

• Sense organs

• Muscles and glands

• Neurons

• Blood vessels

What type of stimuli do the ears detect?

• Light

• Chemicals in food

• Sound (and position of head)

• Touch

What type of stimuli does the tongue detect?

• Chemicals in food

• Light

• Sound

• Pressure

Which sense is associated with detecting chemicals in the air?

• Sight

• Smell

• Taste

• Hearing