Pulmonary circulation Pulmonary has to do with the lungs
Always eat healthy and drink healthy things.
Well naturally the only thing here that is impossible for you to do, is change your hereditary.
All the other choices are good options to promote cardiovascular health.
Answer:
Cleaning.
Explanation:
Ultrasound are the high sound waves that has the frequency above than 20kHz. The ultrsonic sound can be detected by animals like bats and has medical importance as well.
The cleaning of the medical instruments and machines are done by ultrasonic cleaners. These cleaners uses the ultrasonic waves to clean the dirt and needs a proper solvent medium for cleaning. The cavitation bubbles are produced that are used for cleaning.
Thus, the correct answer is cleaning.
