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The investigators could distinguish human hair from animal hair by the patter of pigmentation and by the medullary index.
The pigmentation in human hairs is denser toward the cuticle, whereas in animal hair is denser toward the medulla. Human hairs are usually one colour throughout the whole length, while animal hairs may change colour suddenly.
The medulla in humans is thinner than in animals: the medullary index for human hairs is 0.33 or less; the medullary index for animal hairs is 0.5 or more.
Answer:
none
Explanation:
cats, dogs and primates vomit when they feel sick, under surgery in which anesthesia is applied they can react and vomit
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These animals should fast to avoid bronchoaspiration, which is the passage of food, into the trachea, which can cause respiratory collapse. . In order to minimize this risk it is necessary that you arrive on an empty stomach
