Which vitamin is produced when your skin is exposed to sunlight?
Vitamin A
Vitamin B
Vitamin C
Vitamin D
Which celebrity famously battled and recovered from Bell's Palsy in 2017?
Angelina Jolie
Jennifer Aniston
Sandra Bullock
Julia Roberts
What is the average human body temperature in Fahrenheit?
96.8°F
97.8°F
98.6°F
99.6°F
What percentage of your body's cells are actually bacteria?
0.3
0.5
0.7
0.9
How many times does the average person sneeze in a day?
1-2 times
4-5 times
8-9 times
12-13 times
Which pop star revealed their battle with Lyme disease in 2020?
Justin Bieber
Taylor Swift
Ed Sheeran
Ariana Grande
How fast do sneeze droplets travel?
50 mph
100 mph
150 mph
200 mph
What percentage of people are immune to poison ivy?
0.05
0.15
0.25
0.35
How many taste buds does the average human tongue have?
1000
5000
10000
15000
What year was penicillin first used to treat infections?
1922
1932
1942
1952
Which organ can regenerate itself even if 75% is removed?
Heart
Kidney
Liver
Lung
How many bones does a newborn baby have?
206
270
300
350
What percentage of people are born with blue eyes?
0.08
0.17
0.28
0.35
How many bacteria species live in your belly button?
67
1458
2368
4789
What percentage of humans are naturally immune to HIV?
0.01
0.05
0.1
0.15
How many times does your heart beat per day?
About 50,000
About 100,000
About 115,000
About 150,000
What year was the first successful human heart transplant?
1957
1967
1977
1987
How much of your body heat escapes through your head?
7-10%
40-45%
60-65%
80-85%
Which blood type is known as the 'universal donor'?
A+
B+
AB+
O-
How many miles of blood vessels are in the human body?
60000
100000
150000
200000
