Answer:
i think A but im not 100% sure
Explanation:
"The gradual and long-term removal of fine-grated particles like dust and sand, leaving behind bigger fragments".
<span>The end diastolic volume in a rapidly beating heart after an hour about 170/min will be reduced because the heart rate/heart beat will be in calm beating whenever the patient is already relaxed and gain his breathing from the rapid heartbeat which is caused by running, using stairs or from exercising. </span>
