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SVEN [57.7K]
3 years ago
5

The organ that controls your internal clock is called...​

Biology
1 answer:
vichka [17]3 years ago
8 0

Answer:

The circadian biological clock is controlled by a part of the brain called the Suprachiasmatic Nucleus

Explanation:

That should be right

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The first sperm to reach an egg isn’t the one to fertilize it because the egg is surrounded by a gelatinous membrane called the zona pellucida. Outside this layer, a layer of small granulosa cells also present.

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