- Describe the conservation of bicarbonate ions in the renal system and compare it to the control of blood carbonic acid levels through the respiratory system.
- Explain how the stomach is protected from self-digestion and why this is necessary.
- Compare and contrast the conducting and respiratory zones.
- A smoker develops damage to several alveoli that then can no longer function. How does this affect gas exchange?
- Explain how the enteric nervous system supports the digestive system. What might occur that could result in the autonomic nervous system having a negative impact on digestion?
