1. How many hours of sleep do adults typically need per night? 7-9 hours
2. What is the normal human body temperature in Fahrenheit? 98.6°F (37°C)
3. What percentage of the human body is water? About 60%
4. How many taste buds does the average human tongue have? About 10,000
5. Which organization founded World Health Day? World Health Organization (WHO)
6. What is the hardest substance in the human body? Tooth enamel
7. What is the medical term for high blood pressure? Hypertension
8. What organ filters toxins from your blood? Liver
9. Which vitamin is produced when your skin is exposed to sunlight? Vitamin D
10. How many teeth does an adult human have? 32
11. What is the largest organ in the human body? Skin
12. Which fruit is known as a superfood and is high in potassium? Banana
13. Which mineral is essential for healthy bones and teeth? Calcium
14. How many calories does the brain use per day? About 320 calories (20% of daily intake)
15. What nutrient helps build and repair muscles? Protein
16. What is the normal resting heart rate for adults? 60-100 beats per minute
17. What is the medical term for the voice box? Larynx
18. What is the recommended maximum daily sodium intake? 2,300 mg
19. What vitamin is found in citrus fruits and helps the immune system? Vitamin C
20. Which organ is responsible for producing insulin? Pancreas
21. What is the smallest bone in the human body? Stapes (in the ear)
22. When is World Health Day celebrated each year? April 7th
23. How long does it take for food to fully digest? 24-72 hours
24. How many liters of blood does the average adult body contain? About 5 liters
25. What is the recommended daily water intake for an average adult? 8 glasses (about 2 liters)
26. How many bones are in the adult human body? 206
