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Human power is the rate of work or energy that is produced from the human body. It can also refer to the power (rate of work per time) of a human. Power comes primarily from muscles , but body heat is also used to do work like warming shelters , food, or other humans.
The energy industry provides the energy required for human civilization to function, which it obtains from energy resources such as fossil fuels, nuclear fuel, and renewable energy. Forms In a typical lightning strike, 500 megajoules of electric potential energy is converted into the same amount of energy in other forms, mostly light energy ...
Human is a loanword of Middle English from Old French humain, ultimately from Latin hūmānus, the adjectival form of homō ('man' – in the sense of humanity). [9] The native English term man can refer to the species generally (a synonym for humanity) as well as to human males. It may also refer to individuals of either sex. [10]
[9] It is the instinctual energy or force, contained in what Freud called the id, the strictly unconscious structure of the psyche. He also explained that it is analogous to hunger, the will to power, and so on [10] insisting that it is a fundamental instinct that is innate in all humans. [11]
The energy used by human cells in an adult requires the hydrolysis of 100 to 150 mol/L of ATP daily, which means a human will typically use their body weight worth of ATP over the course of the day. [30] Each equivalent of ATP is recycled 1000–1500 times during a single day (150 / 0.1 = 1500), [29] at approximately 9×10 20 molecules/s. [29]
Energy (esotericism), a term used by various esoteric forms of spirituality and alternative medicine Prana, the Sanskrit word for "life force" or "vital principle" Qi, a vital force in traditional Chinese philosophy; Élan vital, a hypothetical explanation for evolution and development of organisms
Energy centers, often referred to as chakras, are believed to serve as focal points where energy gathers and transforms. Hindu and Tantric Buddhist traditions describe a system of seven primary chakras, each corresponding to different aspects of human consciousness and physiology, from the Muladhara (root) chakra at the base of the spine to the ...
Parts-per-million cube of relative abundance by mass of elements in an average adult human body down to 1 ppm. About 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium ...