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Human physiology of underwater diving is the physiological influences of the underwater environment on the human diver, and adaptations to operating underwater, both during breath-hold dives and while breathing at ambient pressure from a suitable breathing gas supply. It, therefore, includes the range of physiological effects generally limited ...
A change in the partial pressure of carbon dioxide is detected as altered pH in the cerebrospinal fluid by central chemoreceptors in the medulla oblongata of the brainstem. Information from these sets of sensors is sent to the respiratory center which activates the effector organs – the diaphragm and other muscles of respiration .
Human nutrition deals with the provision of essential nutrients in food that are necessary to support human life and good health. [1] Poor nutrition is a chronic problem often linked to poverty, food security , or a poor understanding of nutritional requirements. [ 2 ]
The human brain is one of the most complex structures nature has ever devised, and that means there’s a lot we still don’t know about the three pounds of neurons and fat that rests between our ...
The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder ). Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body. The process of digestion has three ...
Oral rehydration therapy ( ORT) is a type of fluid replacement used to prevent and treat dehydration, especially due to diarrhea. [ 1] It involves drinking water with modest amounts of sugar and salts, specifically sodium and potassium. [ 1] Oral rehydration therapy can also be given by a nasogastric tube. [ 1]
Physical water scarcity, heatwaves, disease (most commonly from diseases that cause vomiting and/or diarrhea ), exercise. Treatment. Drinking clean water. Medication. Saline. In physiology, dehydration is a lack of total body water, [ 3] with an accompanying disruption of metabolic processes.
Energy homeostasis. In biology, energy homeostasis, or the homeostatic control of energy balance, is a biological process that involves the coordinated homeostatic regulation of food intake (energy inflow) and energy expenditure (energy outflow). [ 1][ 2][ 3] The human brain, particularly the hypothalamus, plays a central role in regulating ...