Recently Updated Pages
Stages of Sleep
Definition The stages of sleep refer to the distinct phases that occur during a sleep cycle, whic...
Melatonin
Definition Melatonin is a hormone produced by the pineal gland in the brain. It plays a key role ...
Suprachiasmatic Nucleus
Definition The suprachiasmatic nucleus (SCN) is a small region in the brain located just above th...
Circadian Rhythm
Definition A circadian rhythm is an internal biological clock that regulates the sleep-wake cycle...
Sleep
Definition Sleep is a naturally occurring state of mind and body characterized by reduced physica...
Wakefulness
Definition Wakefulness refers to a state of consciousness where an individual is fully aware of t...
Primary Socialization
Definition Primary socialization is the process through which individuals first learn the norms, ...
Birth of Psychology
Definition The "birth of psychology" refers to the emergence of psychology as a distinct scientif...
Industrial Revolution
Definition The Industrial Revolution was a period of major industrialization that began in Britai...
Birth of Sociology
Definition The "birth of sociology" refers to the emergence of sociology as a distinct academic d...
Pituitary Gland
Definition The pituitary gland is a small, pea-sized organ located at the base of the brain. Ofte...
Hormone
Definition A hormone is a chemical messenger produced by glands in the endocrine system that regu...
Endocrine System
Definition The endocrine system is a network of glands and organs that produce and release hormon...
Sympathetic Nervous System
Definition The sympathetic nervous system is part of the autonomic nervous system, which controls...
Somatic Nervous System
Definition The somatic nervous system (SNS) is a part of the peripheral nervous system responsibl...
Parasympathetic Nervous System
Definition The parasympathetic nervous system (PNS) is part of the autonomic nervous system, whic...
Central Nervous System
Definition The central nervous system (CNS) is the part of the nervous system responsible for pro...
Autonomic Nervous System
Definition The autonomic nervous system (ANS) is a part of the peripheral nervous system that con...
Punnett Square
Definition A Punnett Square is a tool used in genetics to predict the genotype and phenotype of o...
Phenotype
Definition A phenotype refers to the observable characteristics or traits of an organism, such as...