Fats I am pretty sure. Sorry if I am incorrect.
The answer that would best complete the given statement above would be the KIDNEYS. Yes, you are right. <span>The main process of excretion takes place in the kidneys. The kidneys filters the blood and this is the one responsible for excreting the waste products in the body in a form of urine. Hope this helps.</span>
<span>Stretching that uses neuromuscular reflexes to gain further stretching of the muscle is called "PNF stretching".
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PNF stands for Proprioceptive Neuromuscular Facilitation and it refers to a further developed type of flexibility training that includes both the extending and contraction of the muscle assemble being focused on. Proprioceptive Neuromuscular Facilitation extending was initially created as a type of recovery, and to that impact it is exceptionally viable. Proprioceptive neuromuscular Facilitation (PNF) is a powerful method for utilizing reflexes to help muscular relaxation.