Buccal Cavity, otherwise known as the mouth, physical digestion begins here through chewing and chemical through an enzyme found in saliva known as amalyase. 2 people found this useful.
Confidence votes 5.0K. Average heartbeat which is just an average number is 72 beats per minute. 72beats*60mins*24hrs*365.25days=37,869,120. Remember people don't have the same heartbeat rate and no one has the same heartbeat rate all year or every minute.
How fast can the human heart beat is a fascinating topic full of interesting facts. The human heart generally beats 60 to 80 times a minute, though anywhere between 60 and 100 beats per minute is considered normal, according to the Heart Rhythm Society. The heart beat increases during exercise, up to 160 to 180 beats per minute.