2. Weight times length Weight times height Length times height

6. exercise fitness Energy

10. yes no sometimes

13. Differences in BMI between people of the same age and sex are usually due to body fat. However, there are exceptions to this rule, which means a BMI figure may not be accurate.

14. Body mass index Business monitor international Business monitor international

18. ability to withstand a physical workload Your bodies ability to run to record your fitness through out the years

21. a simple chart that lets you see how your personal fitness level matches up with the fitness of other people your age. To use the chart, you have to know how much exercise you're able to do.

22. running rugby swimming

25. When swimming for 30 minutes you burn 90- 220kcal

26. hat glove weight

29. Free weights can be swung for momentum rather than lifted slowly and steadily, which works the muscles better. Training alone can lead to injury if you don't use them in the right way