I think it's <span>1) self-regulation.</span>
Answer: D. sharing them with others.
Explanation:
Hope this helps!
Your answer would be B : resting heart rate The reason why this is your answer is because are body need the oxygen to keep your body flowing from not having a storke
<span>The answer is The ability of the heart tissue to conduct electrical signals must be altered in order for the EKG to detect a problem. </span>In order for an EKG to detect a problem the electrical signals traveling through the heart muscle must be altered. If the electrical signal is abnormal it will show <span>up on the EKG graph, indicating a problem.</span>
