1. A fish heart has only two chambers: a single atrium and a single ventricle. Which of the following is a reason fish do not need a 4-chambered heart?
2. Why must the atria and ventricles contract at different times?
3. In which of the following way does Aldosterone perform its roles in the human body?
4. Obesity is a health concern for a number of reasons. A large component that makes it more dangerous for a person’s heart is the increased viscosity of the blood. In other words, the heavier a person gets, the thicker their blood becomes. Why is this a heart issue?
5. The lymphatic system is important for which of the following reasons?
6. Which of these sections of the small intestine receives chyme from the stomach?
7. Which of these is an inflammatory condition?
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