human
What are some of the most commonly asked questions about the human body?
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1. How many bones are there in the human body?
2. What is the function of the thymus gland?
3. Where does the lymphatic system start and end?
4. What are the three layers of the skin?
5. How many muscles are there in the human body?
6. What is the difference between a nerve impulse and an action potential?
7. What is the difference between a neuron and a glial cell?
8. What is the function of the spleen?
9. How many different types of cells are there in the human body?
10. What is the function of the appendix?