Sickle cell anemia is the result of a point mutation, a change in just one nucleotide in the gene for hemoglobin. This mutation causes the hemoglobin in red blood cells to distort to a sickle shape when deoxygenated. The sickle-shaped blood cells clog in the capillaries, cutting off circulation.
Saving an attachment. Saving attachments from Mail is just as easy. Next time you receive a message to which somebody has attached a file, just tap and hold on that attachment until a Share sheet pops up. In the bottom row of icons, choose Save Attachment.aving an attachment. Saving attachments from Mail is just as easy. Next time you receive a message to which somebody has attached a file, just tap and hold on that attachment until a Share sheet pops up. In the bottom row of icons, choose Save Attachment.
Click on Options in the upper-right-hand corner of the page. Locate the From name: box at the top of the page. Enter the name you want to appear in the From section of your outgoing messages. Click Save to save your new email name. http://help.yahoo.com/l/us/yahoo/answers... Source(s): http://www.ehow.com/how_6184196_can-emai...