The human body easily absorbs iron present in meat, poultry, and seafood. However, the iron in plant foods is more difficult to extract. Vitamin C helps __47__ iron from plant-based foods and make it more absorbable. __48__ because your body requires sufficient iron for proper growth. In addition, the mighty mineral is needed to make hemoglobin, a protein in red blood cells __49__ oxygen to every cell in your body and brain. Insufficient iron can __50__ iron-deficiency anemia, including weariness, lethargy, and issues with concentration and memory. A shortage of iron also reduces the immune system’s ability to __51__ infections. D 47. (A) duplicate (B) eradicate (C) inculcate (D) liberate A 48. (A) This matters (B) That mattering (C) Which matter (D) What matters C 49. (A) which carry (B) which carrying (C) that carries (D) being carried D 50. (A) purify (B) reverse (C) stipulate (D) trigger B 51. (A) bail out (B) fight off (C) mull over (D) sift through