Answers. Best Answer: take the two laces, cross them, put one lace under the cross, pull. take laces again make laces into loop (make an O shape) cross loops put 1 loop under cross, pull, being careful to pull on sides connected to 1st knot, so as not to undo loops. you're done. Source(s):
Beta thalassemia genes are more widespread -- found in Africa, the Middle East, India, Southeast Asia, and around the Mediterranean. Someone with only one of the beta genes will have beta thalassemia trait, a mild anemia in which the red cells are smaller than normal.
This is the most common type of anemia worldwide. Iron deficiency anemia is caused by a shortage of iron in your body. Your bone marrow needs iron to make hemoglobin. Without adequate iron, your body can't produce enough hemoglobin for red blood cells. Without iron supplementation, this type of anemia occurs in many pregnant women. It is also caused by blood loss, such as from heavy menstrual bleeding, an ulcer, cancer and regular use of some over-the-counter pain relievers, especially aspirin.