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):
The two main groups of thalassemia are called alpha and beta. There are four types of alpha thalassemia and three types of beta thalassemia. Alpha thalassemia genes are found in Southeast Asians, blacks, and people originally from the Middle East. The disease affects the red blood cells in two ways. First the body cannot make enough cells with normal hemoglobin.
There are many types of anemia. â¢ Iron-deficiency anemia is caused by a shortage of iron in the body. Your bone marrow needs iron to make hemoglobin, which is a protein molecule in the red blood cells. Without enough iron, the body can't produce enough hemoglobin for your red blood cells. â¢ Vitamin-deficiency anemia occurs when your diet lacks enough folate, vitamin B12 and other key nutrients. The body needs folate and vitamin B12 to produce enough healthy red blood cells.