Answer: Y goes to proteins.
Explanation:
Enzymes, which are a form of protein, are used by the cell to accelerate chemical reactions.
Answer:
prevents secretion of upper air passage
Explanation:
to prevent foods and drinks from falling down the airway which is called aspiration and may lead to pneumonia
Whats the experiment? there's no experiment here
Answer:
The answer is because they are in free fall. In a vacuum, gravity causes all objects to fall at the same rate. The mass of the object does not matter. If a person drops a hammer and a feather, air will make the feather fall more slowly. But if there were no air, they would fall at the same acceleration.
Explanation:
