| Aqueduct | channel or passage through which cerebrospinal fluid is transferred from the third ventricle to the fourth ventricle and then to the spinal chord |
| Circle of Willis | a circular bed of arteries on the ventral side of the brain that provides oxygen-rich blood to the white matter and surrounding parts |
| Convolutions | wrinkles that increase surface area |
| Hypothalamus | region directly below the thalamus that regulates body temperature, hunger, thrist, and other autonomic control systems |
| Meninges | series of 3 layers of membranes surrounding the brain and spinal chord, spinal fluid circulates between layers for additional protection |
| Pineal gland | endocrine gland that secretes the hormone melatonin that play a role in sleep, aging and reproduction |
| Spinal chord | provides avenues of communication between CNS and PNS |
| Temporal lobes | control hearing, memory, and speech |
Drag corresponding items onto each other to make them disappear.
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