Admin Table of Contents
How is energy in food measured?
A calorie is a unit that is used to measure energy. The Calorie you see on a food package is actually a kilocalorie, or 1,000 calories. A Calorie (kcal) is the amount of energy needed to raise the temperature of 1 kilogram of water 1 degree Celsius.
How is energy measured quizlet?
How is energy measured? Energy is measured by a unit called the Joule. It is also know by the symbol J. A joule is such a small anergy measurement that it is usually measured in batches of 1000 joules, this i know as a kilojoule.
What is the minimum amount of water you should drink every day quizlet?
On average, all healthy individuals need to drink at least 8 to 10 glasses of water every day.
Which system gives us energy from food?
Food energy is chemical energy that animals (including humans) derive from their food and molecular oxygen through the process of cellular respiration.
What is energy measured in units called?
Joules
The SI unit for energy is Joules (J). One joule is equal to 1kg*m^2*s^-2. A kilo-joule (kJ) is equal to 1000 joules of energy.
What is the fuel factor for protein?
3.5.1 The Atwater general factor system It uses a single factor for each of the energy-yielding substrates (protein, fat, carbohydrate), regardless of the food in which it is found. The energy values are 17 kJ/g (4.0 kcal/g) for protein, 37 kJ/g (9.0 kcal/g) for fat and 17 kJ/g (4.0 kcal/g) for carbohydrates.
What increases water intake quizlet?
Fluid intake is stimulated by the sensation of thirst , which occurs in response to a decrease in blood volume and an increase in the concentration of solutes. Water is lost from the body in urine and fecees, though evaporation from the skin and lungs, and in sweat. The kidney is the primary regulator of water output.
What type of energy does food have?
Food energy is chemical energy that animals (including humans) derive from food through the process of cellular respiration. Cellular respiration may either involve the chemical reaction of food molecules with molecular oxygen (aerobic respiration) or the process of reorganizing the food molecules without additional oxygen (anaerobic respiration).
Is food potential or kinetic?
Fuels and food contain potential energy, which is released as heat or chemical energy, respectively. Springs also contain potential energy. When a spring is released, the potential energy is released as kinetic energy.
What is the definition of food energy?
Food energy. Food energy is chemical energy that animals (including humans) derive from food through the process of cellular respiration.