Receptors & Ligands
This chemical builds up in your brain during the day and makes you feel sleepy.
What is adenosine?
This lobe helps you make decisions and solve problems.
What is the frontal lobe?
How many cranial nerves do humans have?
What is 12 pairs?
The brain and spinal cord make up this system.
What is the central nervous system?
The basic cell of the nervous system.
What is a neuron?
This popular drink contains caffeine.
What is coffee?
This lobe processes vision.
What is the occipital lobe?
This cranial nerve is responsible for smell.
What is the olfactory nerve?
Nerves outside the brain and spinal cord make up this system.
What is the peripheral nervous system?
Branches that receive messages from other neurons.
What are dendrites?
Caffeine keeps you awake by blocking these structures in the brain.
What are adenosine receptors?
This lobe helps process sounds and language.
What is the temporal lobe?
This cranial nerve is responsible for vision.
What is the optic nerve?
Which system carries messages between the CNS (Central Nervous System) and the body?
What is the peripheral nervous system?
The long part of a neuron that carries signals away from the cell body.
What is the axon?
A molecule that binds to a receptor is called this.
What is a ligand?
This lobe processes touch and body sensations.
What is the parietal lobe?
This cranial nerve controls many facial expressions.
What is the facial nerve?
If you touch a hot stove and quickly pull your hand away, which system carries the sensory information from your hand to the CNS?
What is the Peripheral Nervous System (PNS)?
The tiny gap between two neurons.
What is the synapse?
True or False: Caffeine removes adenosine from your brain.
What is False?
This structure helps with balance and coordination.
What is the cerebellum?
This cranial nerve helps control heart rate and digestion.
What is the vagus nerve?
True or False: Cranial nerves are part of the peripheral nervous system.
What is True?
A fast automatic response to a stimulus is called this.
What is a reflex?