<span>The answer to this question is no, everything that is ingested needs to be metabolised, unless it is a medicine specifically formulated for oral adsorption directly into the bloodstream, or in this instance the energy source is a ketonic monosaccharide. Because it is so small and a simple structure, it can enter the blood barrier directly and the body can then use this as energy.</span>
Tar sands pits , sorry if I got this wrong
Troponin-tropomyosin molecules prevents a muscle contraction from occurring when the muscle is at rest.
<h3>What is
muscle contraction?</h3>
The activation of tension-producing regions within muscle cells results in muscular contraction. Because muscle tension can be created without changes in muscle length, such as when holding something heavy in the same position, muscle contraction does not always imply muscle shortening in physiology. Muscle relaxation, or the return of the muscular fibers to their low tension-generating state, occurs after a muscle contraction has finished.
Both length and tension can be used to characterize muscle contractions. If the muscle tension varies but the muscle length doesn't, the muscle contraction is said to be isometric. A muscle contraction is isotonic, however, if the tension in the muscle remains constant during the contraction.
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Pollution or Carbon Dioxide
