Three Major Section of the Ear : Anatomy of the Ear The external ear (or pinna, the part you can see) serves to protect the tympanic membrane (eardrum), collects and directs sound waves through the auditory canal to the eardrum. About 3 cm. long, the canal contains modified sweat glands that secrete cerumen, or earwax.
This will probably take place within three to six months after you default. The types of debts most likely to be sent to a collection agency are credit card and telephone service debts, followed by other utilities, car, government, and medical debts.
1 Remember that you can always donate again and that in fact, plasma collection centers encourage committed donors. 2  Some centers may let you come in 48 hours later or twice a week, while others limit donations to once a month. 3  Check with the center to determine the required length of time between visits.