What Is a Schema? How Many Schemas Can Be Used

question 18

Essay

What is a schema? How many schemas can be used in one database?

Understand the role of the suprachiasmatic nucleus in controlling the circadian rhythm.

Identify the characteristics and effects of REM sleep.

Recognize the sleep requirements across different age groups.

Describe the stages of sleep and their unique characteristics.

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Definitions:

Neurons

Basic working units of the nervous system, cells specialized in carrying messages through an electrochemical process.

Endorphins

Natural, pain-relieving chemicals in the brain that are associated with feelings of euphoria and well-being.

Shock

A medical emergency involving a sudden and severe drop in blood pressure, leading to insufficient blood flow to the organs.

Schizophrenia

A severe mental disorder characterized by disturbances in thought, perception, and behavior, manifesting in symptoms like hallucinations and delusions.