An event in which the heart abruptly stops beating or develops an arrhythmia that prevents it from pumping blood effectively is called.

blood alcohol concentration is affected by factors such as body size and gender.

( i saw this one before)

it's false.

"every person has their limitations which prevent us from accomplishing something. some are better than mathematics for example and some are worse. those people who are worse might never be able to become mathematicians, but that does not mean that they would not be great at doing something else."