Human body

What is the most common blood type?

• AB-

• B-

• O+

Which is the rarest blood type?

• AB-

• B-

• O+

How many percent of people have O+ blood type?

• 26

• 36

• 46

Which of our nails grow faster?

• finger nails

• toe nails

How much do fingernails grow per month?

• 0.75mm

• 1.5mm

• 3mm

Where exactly is your heart?

• On the left of your chest.

• In the middle of your chest.

• In the middle of your chest, a bit to the left.

Typically, when do people put their hands on their heart?

• When they feel pain in their chest.

• When they have a heartache.

• When they sing the national anthem.

How long are the human intestines altogether?

• 8.5m

• 7m

• 1.5m

How many bones do people have when they are born?

• About 300

• 206

Which hair colour type has the most hair on people's scalp?

• brown

• blonde

• black