Digestive system is the system of organs which digest food. Human digestive system is consisted of the gastrointestinal tract and the accessory organs of digestion. Accessory organs of digestion are: the tongue, salivary, glands, pancreas, liver and gallbladder. The digestion in this system has many stages, and the first one starts in mouth, and it is called oral cavity. D<span>igestion means breakdown of food into smaller and smaller and smaller components which can be absorbed and assimilated into the body...</span>
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The answer is human papillomavirus (HPV). HPV is the main cause, however there are some less common ones that I will spare you from mentioning!
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The answer to this question is d. measure the electrical output of the brain! Good Luck!
If you do it correctly or how much you do it. hope this helps