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.
The most common type is iron deficiency anemia, which is caused by a lack of iron in your body. Other types include: 1  Vitamin deficiency anemia, megaloblastic anemia, caused by a lack of folic acid and vitamin B12 in your body.hey contain hemoglobin, an iron-based protein that helps blood cells carry oxygen. With anemia, your body either does not make enough red blood cells, or loses them faster than they can be replaced. There are several types of anemia.