Answer:
Warm-up is low-level activity, which should be completed prior to stretching and more strenuous exercise. The objective of the warm-up is to raise total body temperature and muscle temperature to prepare the entire body for vigorous activity. It is particularly important to help prevent injury.
<h2>Ⲇⲛ⳽ⲱⲉⲅ</h2>
<h3>Examples :-</h3>
Commonly used ergogenic aids include dried adrenal glands, amino acids, bee pollen, caffeine, carnitine, chromium, creatine, ginseng, glucosamine and protein powders.
<h3>Risks :-</h3>
Risks may include allergic reactions, central nervous system , gastrointestinal disorders, and kidney damage.
Answer:
Permanent brain damage begins after only 4 minutes without oxygen, and death can occur as soon as 4 to 6 minutes later.
Explanation:
So a person can survive 4 to 6 minutes without oxygen, but may experience brain damage.
