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stira [4]
3 years ago
9

What is the body of scientific knowledge based on?

Biology
1 answer:
miss Akunina [59]3 years ago
4 0
A observation and hypothesis
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For example – the Adrenal gland is an endocrine gland that secretes adrenaline directly into the blood. The salivary gland is an exocrine gland that releases its produce into the collecting duct leading to mouth. However, Pancreas is both endocrine and exocrine gland.

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