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What are the freezing point and boiling point of water on the Celsius scale?
Testosterone
A steroid hormone that plays a key role in the development of male reproductive tissues and secondary sexual characteristics.
Hostility
Unfriendly or aggressive behavior towards people or ideas.
Menstrual-Cycle Findings
Research outcomes or observations related to the physiological changes and symptoms experienced by women throughout their menstrual cycle.
Biological Clock
An internal mechanism that regulates physiological and behavioral functions in a rhythmic cycle, such as the sleep-wake cycle.
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