Which statement is true about excersice and health

If something is painful during exercise, what should you do? a. back off the exercise. b. modify the exercise. c. consult a physician if the pain persists. d. all of the above

What is the main structural difference between enveloped and nonenveloped viruses? a) enveloped viruses have their genetic material enclosed by a layer made only of protein. b) nonenveloped viruses have only a phospholipid membrane, while enveloped viruses have two membranes, the other one being a protein capsid. c) enveloped viruses have a phospholipid membrane outside their capsid, whereas nonenveloped viruses do not have a phospholipid membrane. d) both types of viruses have a capsid and phospholipid membrane; but in the nonenveloped virus the genetic material is between these two membranes, while in the enveloped virus the genetic material is inside both membranes.

Its totally for health > : ) random questions- free points. 1. grab the book nearest to you, turn to page 18, and find line 4. 2. stretch your left arm out as far as you can, what can you touch? 3. before you started this survey, what were you doing? 4. what is the last thing you watched on tv? 5. without looking, guess what time it is 6. now look at the clock. what is the actual time? 7. with the exception of the computer, what can you hear? 8. when did you last step outside? what were you doing? 9. did you dream last night? 10. do you remember your dreams? 11. when did you last laugh? 12. do you remember why / at what? 13. what is on the walls of the room you are in? 14. seen anything weird lately? 15. what do you think of this quiz? 16. what is the last film you saw? 17. if you could live anywhere in the world, where would you live? 18. if you became a multi-millionaire overnight, what would you buy? 19. tell me something about you that most people don't know. 20. if you could change one thing about the world, regardless of guilt or politics, what would you do?