tendons in Medicine Expand. tendon tenÂ·don (tÄn'dÉn) n. A band of tough, inelastic fibrous tissue that connects a muscle with its bony attachment and consists of rows of elongated cells, minimal ground substance, and densely arranged, almost parallel, bundles of collageneous fibers. tendon. A band of tough, fibrous, inelastic tissue that connects a muscle to a bone.
Companies like Coca Cola and Pepsi insist that they add caffeine as a flavouring in their drinks (as it says on the can). Add your answer. Source. Submit Cancel. I think that this question violates the Community Guidelines. I think that this question violates the Terms of Service.
Caffeine is a naturally occurring chemical stimulant called trimethylxanthine. Its chemical formula is C8H10N4O2 (see Erowid: Caffeine Chemistry for an image of the molecular structure). It is a drug, and actually shares a number of traits with more notorious drugs such as amphetamines, cocaine and heroin.n its pure form, caffeine is a white crystalline powder that tastes very bitter. It is medically useful to stimulate the heart and also serves as a mild diuretic, increasing urine production to flush fluid out of the body. Caffeine has been an integral part of global culture for hundreds of years.