Answer:
The answer is letter B
Explanation:
A cell contains thousands of different kinds of enzymes, each promoting a different chemical reaction.
Answer:
Explanation:
1) Excitation brings about contraction.
2) Contraction leads to an increase in blood pressure.
3) Changes in blood pressure results in the opening and closing of the heart valves.
4) The opening and closing of heart valves then regulates the flow of blood and it's volume.
Es una experiencia guiada por pensamientos críticos
Pure water freezes at 32 degrees Fahrenheit, and at 0 degrees Celsius.
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The Golgi apparatus.
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