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11y ago

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Can cells that carry on aerobic respiration operate anaerobically if needed?

Cells can usually make up for a lack of oxygen to produce energy with anaerobic respiration. For example, when doing heavy physical exercise like lifting weights (i.e. anaerobic exercise), the amount of energy required of the muscle cells exceeds the amount the cells are able to make through aerobic respiration given the amount of oxygen they get. So they compensate by using anaerobic respiration (glycolysis and fermentation of pyruvic acid) to produce that extra ATP. However, the byproduct of this anaerobic respiration, lactic acid, accumulates in the cells and body and is toxic. It has to be processed and broken down by the liver (when it accumulates in the muscles, for example, it causes muscle aches after exercise). So most animal cells cannot survive indefinitely solely on anaerobic respiration, but can supplement their energy generation with it if necessary.


What chemical collects in muscles when your body makes extra energy without enougth oxygen?

Lactic acid collects in the muscles when your body produces extra energy without enough oxygen.ExplanationWhen you exercise with plenty of oxygen supply then energy is produced in the body by absorbing the sugar content in the body (glucose/fructose/sucrose) plus oxygen. This is called aerobic respiration.When there is not enough oxygen or no oxygen and your body needs to produce extra energy, then the body breaks down the carbohydrate, proteins and fats to produce extra energy. This process is called Anaerobic respiration. The end product of anaerobic respiration is lactic acid. This lactic acid collects in the muscles.The lactic acid collection in the muscles is cleared when oxygen supply is available again.However the energy produced by anaerobic respiration is less when compared to aerobic respiration.


What is oxygen debt and when does it occur?

The Oxygen Debt is the extra volume of oxygen consumed by muscle tissue after intensive exercise. It is also referred to as recovery oxygen or excess postexercise oxygen consumption (EPOC). EPOC - excess post oxygen consumptionOxygen debt is the amount of extra oxygen required by muscle tissue to convert accumulated lactic acid to glucose and replenish depleted ATP following vigorous exercise.


What is the difference between aerobic fermentation and anaerobic fermentation?

Diffrences between anaerobic and aerobic fermentation is aerobic occurs in the presence of oxygen and 2 molecules of adenisine triphosphate while anaerobic is in the absence of oxygen and produces 34 molecules of adenosine triphosphate. Lemme tell you all that there is no fermentation which is aerobic. In fact its will be wrong to classify fermentation process into aerobic and anaerobic. Its the respiration which can be aerobic or anaerobic.


Does Aerobic exercise force the body to provide extra oxygen to the muscles?

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What happens to the rate of breathing during vigorous exercise and why?

The breathing rate increases therefore the depth of breathing increases. During a vigorous exercise we undergo anaerobic respiration in muscles when there is not enough oxygen reaching to the cells to convert glucose into water and carbon dioxide (the products of anaerobic respiration with the presence of oxygen). During anaerobic respiration, glucose is only partially broken down into lactic acids and a relatively small amount of energy. Accumulation of lactic acids in the muscles causes pain and discomfort and may lead to muscle fatigue which is when the muscles are not able to contract properly. The muscles must rest and recover. Accumulation of high levels of lactic acids in muscles is toxic and must be removed. During the rest period, lactic acid is removed by the circulatory system to the liver. In the liver, lactic acid is oxidized to produce energy. This energy is used to convert the remaining lactic acids into glucose and eventually glycogen to be stored in the liver. This only happens after the period of anaerobic exercise has ended. The amount of extra oxygen that the body takes in after an exercise to convert the lactic acids into glucose is called the oxygen debt. This explains why we continue to breathe heavily,deeply and quickly after exercising. Hope this helps! -AA


What by-product is associated with an oxygen debt?

An oxgen debt is when extra oxygen is needed, after finishing excersizing. The extra oxygen is used by the liver to break down lactic acid produced in anaerobic respiration.


When you do exercise why does your pulse increase?

The reason my heart beat changed is because when you exert your muscles they need extra oxygen so your heart beat increases to pump the requires oxygen amount to the muscles. So by running up and down stairs (or running on the spot as I have no stairs) you require more oxygen for your muscles. When you stop working your muscles they don't need the extra oxygen so your heart stops pumping the blood so fast around the body which then slows down your pulse to what it was to start with.


What requires the use of extra energy?

Activities such as exercise, running, lifting weights, and even thinking or problem-solving require the use of extra energy from the body. Any physical or mental activity that goes beyond what the body needs for basic functions like breathing and circulating blood will require extra energy.


Why does blood pressure increase during exercise?

As we exercise, we use our muscles. Our muscles need oxygen to function. Therefore, the more we exercise, or the harder we exercise, the more oxygen we need. In order for our muscles to get that extra oxygen, we need to breathe more. The oxygen then enters our blood and our hearts beat stronger and faster in order for the oxygen to reach the muscles as quickly as possible, thus why our blood pressure increases.


Why does EPOC occur?

Excess Post-exercise Oxygen Consumption (EPOC) occurs because after intense exercise, the body needs extra oxygen to restore depleted energy stores, remove lactic acid, and repair muscle tissue. This results in elevated post-exercise metabolism and increased calorie burn even after the workout is complete.


Why do cells get more air when you exercise?

When you exercise you take in less Oxygen. Because this is so, your mitochondria switches to a way to make every that uses less air. The extra air you breathe in goes straight into your cells