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  2. Fluid balance - Wikipedia

    en.wikipedia.org/wiki/Fluid_balance

    The recommended daily amount of drinking water for humans varies. [1] It depends on activity, age, health, and environment.In the United States, the Adequate Intake for total water, based on median intakes, is 4.0 litres (141 imp fl oz; 135 US fl oz) per day for males older than 18, and 3.0 litres (106 imp fl oz; 101 US fl oz) per day for females over 18; it assumes about 80% from drink and 20 ...

  3. Feed conversion ratio - Wikipedia

    en.wikipedia.org/wiki/Feed_conversion_ratio

    RFI uses for output the difference between actual intake and predicted intake based on an animal's body weight, weight gain, and composition. [8] [9] The outputs portion may be calculated based on weight gained, on the whole animal at sale, or on the dressed product; with milk it may be normalized for fat and protein content. [10]

  4. Input and output (medicine) - Wikipedia

    en.wikipedia.org/wiki/Input_and_output_(medicine)

    In biology, Input [1] and output [2] (I&O) is the measure of food and fluids that enter and exit the body. Certain patients with the need are placed on I & O, ...

  5. Daily consumption of drinking water - Wikipedia

    en.wikipedia.org/wiki/Daily_consumption_of...

    The recommended daily amount of drinking water for humans varies. [1] It depends on activity, age, health, and environment.In the United States, the Adequate Intake for total water, based on median intakes, is 4.0 litres (141 imp fl oz; 135 US fl oz) per day for males older than 18, and 3.0 litres (106 imp fl oz; 101 US fl oz) per day for females over 18; it assumes about 80% from drink and 20 ...

  6. VO2 max - Wikipedia

    en.wikipedia.org/wiki/VO2_max

    Here Q is the cardiac output of the heart, C a O 2 is the arterial oxygen content, and C v O 2 is the venous oxygen content. (C a O 2 – C v O 2) is also known as the arteriovenous oxygen difference. The Fick equation may be used to measure V̇O 2 in critically ill patients, but its usefulness is low even in non-exerted cases. [8]

  7. Harris–Benedict equation - Wikipedia

    en.wikipedia.org/wiki/Harris–Benedict_equation

    The Harris–Benedict equation (also called the Harris-Benedict principle) is a method used to estimate an individual's basal metabolic rate (BMR).. The estimated BMR value may be multiplied by a number that corresponds to the individual's activity level; the resulting number is the approximate daily kilocalorie intake to maintain current body weight.

  8. Volumetric efficiency - Wikipedia

    en.wikipedia.org/wiki/Volumetric_efficiency

    The flow restrictions in the intake and exhaust systems create a reduction in the inlet flow which reduces the total mass delivery to the cylinder. Under some conditions, ram tuning may either increase or decrease the pumping efficiency of the engine. This happens when a favorable alignment of the pressure wave in the inlet (or exhaust ...

  9. Energy homeostasis - Wikipedia

    en.wikipedia.org/wiki/Energy_homeostasis

    Energy intake is measured by the amount of calories consumed from food and fluids. [1] Energy intake is modulated by hunger, which is primarily regulated by the hypothalamus, [1] and choice, which is determined by the sets of brain structures that are responsible for stimulus control (i.e., operant conditioning and classical conditioning) and cognitive control of eating behavior.