Answer:
The tinnitus can be caused by the following reasons:
Loud sound: The prolonged or long exposure towards the loud sound may cause the tinnitus condition.
Benign tumor: The development of benign tumor in ear is rare. This tumor can also cause the tinnitus in an individual ear.
Aging process: The normal aging process responsible for the damage of cochlea and deterioration of the other ear parts, can also cause tinnitus.
Mieniere's disease: The inner part of the ear is mostly affected in this disease and main reason of tinnitus. The worse condition of this disease may cause hearing loss.
ans is dopamine
explanation:
It increases perfusion pressure to improve myocardial contractility and blood flow through vital organs.
Through the umblical cord
