By substances, you mean those drugs taken by athletes. These drugs are performance enhancing drugs<span>, including anabolic steroids, stimulants, human growth hormone and diuretics. Anabolic stereoids help build muscle mass, Stimulants increase alertness and decrease appetite. Human Growth Hormone is taken to improve endurance and strength. Diuretics are banned because they tend to cover other drugs in urine test, and they cause rapid weight loss.
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Answer: A range of different tests
Explanation:
Assessing different skill-related fitness components requires a range of different tests.
Those tests will be referring to something that will test a person's endurance, what exercises are good for someone, how much weight they can gain.
It is important to see if someone is having some difficulties with some body parts because in that way those parts will require a different type of exercise.
Hormones
Neuroendocrine cells are like nerve cells, but they also make hormone like cells of the endocrine system. They receive messages from the nervous system and respond by making and releasing hormones. These hormones control many bodily functions.
Hope this helps
Microorganism !! Please brainly ?