The use is to guide and fix a replacement valve over the top of the old one.
TAVI is different from open heart surgery in that it uses a less invasive approach to treat a diseased aortic valve.
Answer:
lol that's a hard question idk
Answer:
It necessary that the solar concentrators used by solar power plants be able to move throughout the day: To track the sun as it moves across the sky. The Brainliest Answer! Answer: improvement in a solar panel efficiency using a solar concentration by simple mirror and by cooling.
Cholestrol streghtens the cell memebrane. Its STRUCTURE gets fixed in the cell membrane and then performs its FUNCTIONS that is to strengthen the cell membrane