PLEASE HELP Summarize the nervous system's influence on the respiratory system.
O It stimulates pathogen response.
O It controls muscle contraction.
It regulates heart rate.
O It regulates breathing rate.

1 and 6 for apex

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the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.