The answer is: a. within one hour of the onset of symptoms, after the person reaches the hospital
What makes heart disease or stroke fatal is that they limit or prevent oxygen from circulated in our body. When the attack happen, parts of our body does not automatically lose all the oxygen. This is why It takes time before those who experience a stroke or heart attack finally died.
Embryo I believe is the answer
Answer:is this all you do zooms
Explanation: