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babunello [35]
3 years ago
12

Substances that are poisonous are

Biology
1 answer:
3241004551 [841]3 years ago
8 0
D. Toxic , the other options do not refer to something necessarily harmful to the human body or poisonous. Human hair is ignitable, acid in the stomach corrodes food through chemical reactions so toxic is the only option left.
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The endocrine gland is the one that is ductless an release its secretion directly in bloodstream example liver, pancreas, etc.  The given statement is true and the correct option is B.

<h3>What is endocrine gland's secretion called?</h3>

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6 0
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Galina-37 [17]

Answer:

Information about flowers

Explanation:

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