Examlex
Thyroxine is an amino acid-derived hormone that binds to plasma membrane receptors on the surface of target cells.
Excitement
A feeling of great enthusiasm and eagerness, often accompanied by physiological signs such as increased heart rate and heightened senses.
Boredom
A state of feeling disinterested or unengaged with one's current activity or surroundings.
Physiological Needs
The basic physical requirements for human survival, such as air, water, food, shelter, and sleep, as identified in Maslow's hierarchy of needs.
Maslow's Hierarchy
A psychological theory proposing that human needs are arranged in a hierarchy, with basic needs like safety and physiological needs at the bottom, and self-actualization at the top.
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