1. Why aren’t antibiotics useful during a common cold infection?
2. Why must the atria and ventricles contract at different times?
3. Meat, carbonated beverages, cheese, eggs and even milk have been linked to a decrease in blood pH. How might these things affect bone health?
4. What can high levels of blood urea nitrogen indicate?
5. Which of these is a function of the respiratory system?
6. Which of the following is NOT a function of the autonomic nervous system?
7. When you bite into a crisp, sweet apple you can feel something within your cheek reacting strongly. What is this sensation?
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