Examlex
What types of events ended the Paleozoic era?
Sleep-Waking Cycles
The natural, cyclic alternation between sleep and wakefulness, regulated by the body's internal biological clock and influenced by environmental factors.
Eye Movements
Eye movements are voluntary or reflexive movements of the eyes that enable visual tracking and scanning of the environment, crucial for tasks such as reading and driving.
Limbic System
A complex system of nerves and networks in the brain, involved with instinct and mood. It regulates basic emotions and drives.
Closed Head Injury
A closed head injury is a type of traumatic brain injury where the skull remains intact, but the brain is damaged due to a blow to the head or sudden, violent motion.
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