What are three examples of conditions controlled by homeostasis in the body?
Blood glucose concentration, body temperature and water levels
Blood glucose, body temperature and nervous responses
Body temperature, nervous and chemical responses
What is included in the central nervous system (CNS)?
Spinal cord and all neurones in the body
Brain and all neurones in the body
Brain and spinal cord
What is the generalised order during a nervous response?
Receptor → stimulus → coordinator → effector → response
Response → receptor → coordinator → effector → stimulus
Stimulus → receptor → coordinator → effector → response
Name the three different types of neurone
Sensory, generalised and motor neurones
Sensory, relay and motor neurones
Sensory, relay and effector neurones
What moves across the synapse?
Chemical messenger
Electrical impulse
Electrical impulse and a chemical messenger
What do receptors in the eye detect?
Light
Heat
Sound
What are effectors?
Motor neurones
Muscles and glands
Muscles and nerves
What insulates some axons?
Protein
Carbon fibre
Myelin sheath
What organ does a reflex arc miss out?
Brain
Spinal cord
Heart
How do neurotransmitters move across a synapse?
Osmosis
Diffusion
Active transport