1 天前 · Protein digestion burns approximately 20-30 percent of its calories, compared to just 5-10 percent for carbohydrates and 0-3 percent for fats. “This higher energy expenditure can aid in managing ...

1 天前 · Maize / m eɪ z / (Zea mays), also known as corn in North American English, is a tall stout grass that produces cereal grain.It was domesticated by indigenous peoples in southern Mexico about 9,000 years ago from wild teosinte.Native Americans planted it alongside beans and squashes in the Three Sisters polyculture.The leafy stalk of the plant gives rise to male …

1 天前 · Malnutrition occurs when an organism gets too few or too many nutrients, resulting in health problems. [11] [12] Specifically, it is a deficiency, excess, or imbalance of energy, protein and other nutrients which adversely affects the body's tissues and form.[13]Malnutrition is a category of diseases that includes undernutrition and overnutrition. [14] ...

1 天前 · This is an accepted version of this page This is the latest accepted revision, reviewed on 21 February 2025. This article is about the chemical element. For other uses, see Sulfur (disambiguation). Chemical element with atomic number 16 (S) Sulfur, 16 S Sulfur Alternative name Sulphur (pre-1992 British spelling) Allotropes see Allotropes of sulfur Appearance …

1 天前 · Ultraviolet rays are usually invisible to most humans. The lens of the human eye blocks most radiation in the wavelength range of 300–400 nm; shorter wavelengths are blocked by the cornea. [6] Humans also lack color receptor adaptations for ultraviolet rays. Nevertheless, the photoreceptors of the retina are sensitive to near-UV, and people lacking a lens (a condition …

1 天前 · Serotonin (/ ˌ s ɛr ə ˈ t oʊ n ɪ n, ˌ s ɪər ə-/) [6] [7] [8] or 5-hydroxytryptamine (5-HT) is a monoamine neurotransmitter.Its biological function is complex, touching on diverse functions including mood, cognition, reward, learning, memory, and numerous physiological processes such as vomiting and vasoconstriction. [9]Serotonin is produced in the central nervous system (CNS ...

1 天前 · A fish parasite, the isopod Cymothoa exigua, replacing the tongue of a Lithognathus. Parasitism is a close relationship between species, where one organism, the parasite, lives (at least some of the time) on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of life. [1] The entomologist E. O. Wilson characterised …