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1. Which one of the below forms a border of the "safety triangle"?
2. How many cranial nerves are there?
3. How many pairs of ribs do humans have?
5. At what level is the caval opening?
6. What is the origin of the phrenic nerve?
7. At which level does the trachea bifurcate?
8. Which type of epithelium lines the urinary system?
9. Which part of the neuron helps receive signals?
10. How many chambers does the heart have?