A “jiffy” is an actual unit of time for 1/100th of a second.
Light travels at the rate of 186,200 miles a second.
A hedgehog’s heart beats 190 times a minute on average and drops to only 20 beats per minute during hibernation.
The average airspeed of the common housefly is 4.5 miles per hour. A housefly beats its wings about 20,000 times per minute.