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When your muscles contract without enough oxygen they produce lactic acid.
the muscles produce lactic acid which then relieves the muscles but it results in muscle cramps
True.
When muscles are exercised extensively in the absence of sufficient oxygen lactic acid is produced. When glycolysis occurs a molecule of glucose is split, two molecules of pyruvic acid are made, and some ATP is produced.
Clearly not enough.
Anaerobic fermentation enables a cell to produce ATP in the absence of oxygen but the ATP yield is very limited and the process produces a toxic end product, lactic acid, which is a major factor in muscle fatigue.
Anaerobic exercise is an exerciseintense enough to trigger lactic acid formation. It is used by athletes in non-endurance sports to promote strength, speed and power and by body builders to build muscle mass.
Generally no, but the key is to stay relaxed (this includes the muscles around your vaginal area). If you are tense it can cause the muscles to be tight resulting in pain or you will not produce enough natural lubricant causing painful friction and/or possible bleeding.
Preteens and young teens bodys does not produce enough hormones to allow the body to bulid big muscles.
Enough.
The muscles do not have enough oxygen for aerobic respiration.
no,not all countries have enough food to produce