Exercise 3. Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions. 11. The controller of the body is the ____ system. Led by the brain and nerves, it allows us to move, talk and feel emotions. A. circulatory B. digestive C. nervous D. respiratory 12. ____ system of the body lets us break down the food we eat and turn it into energy. A. Circulatory B. Digestive C. Nervous D. Respiratory 13. Skeletal system of the body is made up of our ____. It supports our body and protects our organs. A. bones B. museles C. nerves D. vessels 14. In under a minute, your ____ can pump blood to bring oxygen and nutrients to every cell in your body. A. brain B. heart C. lungs D. vessels 15. The human ____ system is a series of organs responsible for taking in oxygen and expelling carbon dioxide. A. circulatory B. digestive C. nervous D. respiratory 16. A healthy ____ between work and play ensures that everyone has a chance to enjoy their lives. A. balance B. control C. equality D. share 17. He likes to ____ a nap for an hour when he arrives home from work. A. do B. get C. make D. take 18. I’ve been a night owl ____ up late for years, hitting the sheets anytime between 12 and 3 a.m. A. finishing B. getting C. staying D. waking 19. It’s not too late to ____ your bad habits (smoking, drinking, overeating, etc.) and immediately start living a happier, healthier life. A. get rid B. give on C. kick D. remember 20. If people breathe in deeply, their ____ can expand to twice their normal size. A. hearts B. kidneys C. lungs D. stomachs 21. Some foods and spices may ____ your breath for days after a meal. A. damage B. harm C. reduce D. spoil 22. Fish, poultry, beans or nuts ____ half of their dinner plate. A. make of B. make out C. make up D. make up of 23. It’s another name for the backbone. It is ____. A. brain B. leg C. pump D. spine 24. Ailments are caused by a/an ____ of yin and yang. A. abnormal B. imbalance C. unequal D. unfairness 25. Yoga increases endurance, ____ and flexibility. A. blood B. powerful C. strength D. strong 26. Food and drinks which strongly ____ the body can cause stress. A. boost B. develop C. encourage D. stimulate 27. As per the study, handful of nuts daily can cut people’s ____ of coronary heart disease and cancer by nearly 22 per cent. A. chance B. luck C. opportunity D. risk 28. Acupuncture modality relies on sophisticated skills to select appropriate acupoints to ____ needles accurately. A. infuse B. inject C. insert D. install GIẢI THÍCH NỮA NHA