Answer:
B
Explanation:
In the respiratory membrane, the compensation activity that takes is the elimination of CO₂ to adjust bicarbonate to carbonic acid it to its normal ratio of 20 : 1 by increase respiratory rate.
The universal trigger for fear is the threat of harm, real or imagined. This threat can be for our physical, emotional or psychological well-being. While there are certain things that trigger fear in most of us, we can learn to become afraid of nearly anything.
