How many times does the tortoise's heart beat a minute?

According to the clockwork, the turtle's heart rate is about 20 to 30 beats per minute. The results show that if the heart rate is fast, the life span is not very long, but if the heart rate is slow, its life span will be relatively long. Among them, turtles are typical animals with slow heart rate and hibernate for a long time every year.

In ancient China, the ancients once regarded turtles as the object of worship, and especially loved to raise turtles. They often use tortoise shells to predict good luck and bad luck, and record the results on tortoise shells. Later, they called these characters Oracle Bone Inscriptions, which is also the source of Chinese characters. Nowadays, people still regard the tortoise as a symbol of good luck and longevity, which leads to the idiom "The tortoise is old", and it is also called "one of the four spirits".