You can quit and stop using it cause it can cause death
Microscopic thin walled tubes carrying blood are called Blood Vessels.
With quarter length typically around 8 minutes, clock stoppages, timeouts, intermission, etc. - games typically turn out to be around an hour and a half. This can vary slightly depending on how close the game is. A tight game with a lot of timeouts, free throws, overtimes, etc. can run an additional 15-30 minutes. Hope this helped! :D
Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population
