1. The lymphatic system is an important part of the circulatory system. What are the major functions of the lymphatic system?
2. Which of the following is indicated for malignant pineal tumors, per the article?
3. Which of the following is NOT an important function of the digestive system?
4. When you bite into a crisp, sweet apple you can feel something within your cheek reacting strongly. What is this sensation?
5. 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?
6. Why must the atria and ventricles contract at different times?
7. Why is an enlarged prostate gland a sign of poor health?
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