iquiz draft (first 5 questions) Topic: Human Body

1.  What substance helps our bones grow? A. calcium B. carbohydrates C. fats
2. How do bones heal from twisting or spraining? A. In seconds after the accident B. Never C. Over time and rest. 3. How do bones react to space conditions? A. grow healthily B. Get fat and bone loss over time C. stay normal
4. Where is the human body's smallest bone? A. in our ears B. near our appendix C. in our legs
5. How many bones does a human have by the time their age is 20 and have not been exposed to conditions where bone loss could take place? A. 206 B. 472 C. 140 6.  What helps astronauts keep their bones safe from bone loss while in space? A. Therapy B. Exercise C. Playing video games 7. How many bones are in the appendix of the human body? A. None B. 34 C. 21 8. In what direction did bones in the arms grow during the evolution of the ape to the human? A. shorter and smaller towards the shoulder B. longer and towards the feet C. First downward and after the evolution to the gibbon shorter and towards the shoulders 9. which is stronger, bricks, bones, or concrete? a. bricks b. concrete c. bones 10.  what fills the middle of every bone in the human body? a. bone marrow b. air c. dead red blood cells