In 3 or more sentences, explain one way that increased pressure outside of the lungs can affect breathing.  

You suspect that a new chemical you have synthesized in your Evil Chemistry Lab is possibly a diuretic. Which of the following would indicate that it is, in fact, a diuretic and your evil plan to increase worldwide urination rates will succeed?  

The main muscle responsible for breathing is the:

Which of the following statements describes a major different between dehydration and hypovolemia?

Carbon dioxide is transported in the body primarily as:

Some chronic conditions, such as emphysema, cause alveolar surface area to decrease, what does this cause?

Explain what this is and why a person might need this.  

What is the function of pleural fluid?

Which of the following hormones is responsible Na+ reabsorption?

When compounds break apart in solutions, which ion causes the pH to become more acidic?