Quiz on the Central Nervous System

Brain and spinal cord

12 pairs of cranial nerves

31 pairs of spinal nerves

All ganglia

Vertebral column

Meninges

Cerebrospinal fluid

Nerve fibers

Sensory information to the CNS

Motor signals to muscles

Autonomic functions

Reflex actions

Hypothalamus

Cerebellum

Brainstem

Thalamus

Act as phagocytes

Support neurons and regulate blood flow

Transmit nerve impulses

Form myelin sheath

Oligodendrocytes

Ependymal cells

Microglia

Astrocytes

To protect the brain from harmful substances

To facilitate the flow of cerebrospinal fluid

To connect the brain to the spinal cord

To allow all substances to enter the brain

Voluntary muscle control

Conscious thought

Sensory perception

Regulating heart rate

Merkel's discs

Meissner's corpuscles

Golgi tendon organs

Pacinian corpuscles

Facial nerve (VII)

Trochlear nerve (IV)

Oculomotor nerve (III)

Abducent nerve (VI)