Answer : 1
Correct Answer: IronVitamin B-12 deficiency can cause these and other health problems before it leads to anemia. Scurvy. Vitamin C deficiency can lead to scurvy...Read more
Correct Answer: red blood cellsHemoglobin (American) or haemoglobin (British); abbreviated Hb or Hgb, is the iron-containing ...Read more
Correct Answer: HeartA pacemaker is a small device that's placed in the chest or abdomen to help control abnormal heart rhythms. This device uses electrical pulses to prompt the heart to beat at a normal rate....Read more