As far as I know, the adrenal glands, when submitted under pressure such as the one described in the example, secrete a substance known as epinephrine which has the tendency of increasing the affected person's heart rate and breathing.
Answer:

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Due to the semi solid or solid ground substance that accumulates in the matrix
Answer:
Should be C! HOPE this helps! science isn't my best subject uwu
Answer;
A.) a law
Explanation;
-A law is a statement based on repeated experimental observations that describes some phenomenon of nature. Proof that something happens and how it happens, but not why it happens.
- A Theory is a well-substantiated explanation acquired through the scientific method and repeatedly tested and confirmed through observation and experimentation.
-A Hypothesis is a proposed explanation for a phenomenon made as a starting point for further investigation.