A 31-year-old patient tells the nurse that he has noticed a progressive loss in his hearing. he says that it does seem to help when people speak louder or if he turns up the volume. the most likely cause of his hearing loss is :
Otosclerosis is a common cause of conductive hearing loss in young adults between the ages of 20 and 40 years.
Answer:
Metabolic wastes or excretements are substances left over from metabolic processes (such as cellular respiration) which cannot be used by the organism (they are surplus or toxic), and must therefore be excreted.
This is what i found out i hope this is a good enough answer!! :P
B I hope this helps you your welcome hope it helps