What is metabolism?!
Question: Metabolism is the rate at which your body burns calories in order to maintain itself. Whether you are walking, eating, drinking, sleeping etc. your body is constantly burning calories .
Even while we sleep our metabolism is working. Metabolism is a constant process that begins when we're conceived and ends when we die. It is a vital process for all life forms - not just humans. If metabolism stops, a living thing dies.
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Answers: Metabolism is the rate at which your body burns calories in order to maintain itself. Whether you are walking, eating, drinking, sleeping etc. your body is constantly burning calories .
Even while we sleep our metabolism is working. Metabolism is a constant process that begins when we're conceived and ends when we die. It is a vital process for all life forms - not just humans. If metabolism stops, a living thing dies.
http://getweightlosstips.blogspot.com/20...
Metabolism \Me*tab"o*lism\, n. (Physiol.) The act or process, by which living tissues or cells take up and convert into their own proper substance the nutritive material brought to them by the blood, or by which they transform their cell protoplasm into simpler substances, which are fitted either for excretion or for some special purpose, as in the manufacture of the digestive ferments. Hence, metabolism may be either constructive (anabolism), or destructive (katabolism).
Definition: The act or process, by which living tissues or cells take up and convert into their own proper substance the nutritive material brought to them by the blood, or by which they transform their cell protoplasm into simpler substances, which are fitted either for excretion or for some special purpose, as in the manufacture of the digestive ferments. Hence, metabolism may be either constructive (anabolism), or destructive (katabolism).
Metabolism is the set of chemical reactions that occur in living organisms in order to maintain life. These processes allow organisms to grow and reproduce, maintain their structures, and respond to their environments. Metabolism is usually divided into two categories. Catabolism breaks down large molecules, for example to harvest energy in cellular respiration. Anabolism, on the other hand, uses energy to construct components of cells such as proteins and nucleic acids.
The chemical reactions of metabolism are organized into metabolic pathways, in which one chemical is transformed into another by a sequence of enzymes. Enzymes are crucial to metabolism because they allow organisms to drive desirable but thermodynamically unfavorable reactions by coupling them to favorable ones. Enzymes also allow the regulation of metabolic pathways in response to changes in the cell's environment or signals from other cells.
The metabolism of an organism determines which substances it will find nutritious and which it will find poisonous. For example, some prokaryotes use hydrogen sulfide as a nutrient, yet this gas is poisonous to animals.The speed of metabolism, the metabolic rate, also influences how much food an organism will require.
A striking feature of metabolism is the similarity of the basic metabolic pathways between even vastly different species. For example, the set of carboxylic acids that are best known as the intermediates in the citric acid cycle are present in all organisms, being found in species as diverse as the unicellular bacteria Escherichia coli and huge multicellular organisms like elephants. These striking similarities in metabolism are most likely the result of the high efficiency of these pathways, and of their early appearance in evolutionary history.
Metabolism (pronounced: muh-tah-buh-lih-zum) is a collection of chemical reactions that takes place in the body's cells to convert the fuel in the food we eat into the energy needed to power everything we do, from moving to thinking to growing. Specific proteins in the body control the chemical reactions of metabolism, and each chemical reaction is coordinated with other body functions. In fact, thousands of metabolic reactions happen at the same time - all regulated by the body - to keep our cells healthy and working.
Metabolism is a constant process that begins when we're conceived and ends when we die. It is a vital process for all life forms - not just humans. If metabolism stops, a living thing dies.
IT'S UR BODY RUNNING. UR CAR HAS GAS, BUT WHEN IT IS TURNED OFF IT IS NOT BURNING ANY. WHEN IT IS ON IT IS BURNING GAS. EVEN THOUGH YOUR BODY NEVER SHUTS DOWN IT SLOWS DOWN. WHEN SOMEONE SAYS HIS METABOLISM RUNS FAST , THAT MEANS IT TAKES MORE GAS TO RUN HIS SYSTEM. THAT IS WHY SOME CAN EAT AND STAY SKINNY.
All the chemical reactions that go on in your body
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