Question

41. 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 42. ____ 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 43. 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 44. 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 45. 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 46. A healthy ____ between work and play ensures that everyone has a chance to enjoy their lives. A. balance B. control C. equality D. share 47. He likes to ____ a nap for an hour when he arrives home from work. A. do B. get C. make D. take 48. 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 49. 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 50. If people breathe in deeply, their ____ can expand to twice their normal size. A. hearts B. kidneys C. lungs D. stomachs 51. Some foods and spices may ____ your breath for days after a meal. A. damage B. harm C. reduce D. spoil