You are running very fast during a basketball game and you notice that you are breathing faster and deeper. which nerve controls the rate that you breathe?

The autonomic nervous system controls your breathing rate, specifically a nerve within the medulla called the vagus nerve. There are technically two vagus nerves, left vagus nerve and right vagus nerve, which connect from the brain stem to the lungs.

Hope the answer is b

The first means of speeding up reactions mentioned by the speaker is raising the enzymes