How many hairs does the average person lose every day?
50-100
The average adult heart is about the size of [one / two / three] fists.
Two
Humans use [10% / 50% / 100%] of their brains in a normal day.
100%
The three most common reasons for visits to the doctor are: [headaches / skin problems / a sore throat / joint problems / back problems / flu / stomach problems].
Skin complaints, joint problems (like arthritis) and back problems.
The fastest growing nail is on the [index / middle / little] finger.
The middle finger.
Most people blink around [10 / 15 / 25] times a minute, but that reduces by a half when staring at a computer screen.
15 times a minute.
As adults, we are about [1 / 2 / 3] cm taller in the morning than in the evening.
1 cm.
Children have [twice / three times / four times] as many taste buds as adults.
Three times.
