How Well Do You Know Your Own Body?

About This Quiz

The human body is an amazing piece of machinery desi...gned to withstand almost all the traumas that life throws at it - with a few weird little quirks. For example, do you know that the rate at which your hair grows doubles during an airplane flight, or that is impossible to sneeze with your eyes open? How much do you know about the human body? Test your knowledge in our quiz.

Getty Images

How many bacteria live on human skin?

More than 1.5 trillion

About 40 billions

Less than 10 million

None

Shutterstock

What is the largest organ in the human body?

Brain

Heart

Liver

Skin

The word muscle comes from Latin term meaning ____________.

Little Mouse

Strength

Potential

Force

saga.co.uk

How many smells can the human nose detect?

1 quadrillion

1 trillion

1 billion

1 million

poks.rs

What are the fastest muscles in the human body?

Eye Muscles

Skeletal Muscles

Smooth Muscles

Face Muscles

firstpost.com

What is the scientific name for red blood cells?

Monocytes

Platelets

Erythrocytes

Lymphocytes

brit.co

What is the memory capacity of the human brain?

About 890 gigabytes

About 7 terabytes

About 2.5 petabytes

About 13 petabytes

pexels.com

Apart from fingerprints, what another part of the human body is unique?

Tongue

Pinky Finger

Elbow

Knee

eastidahonews.com

How many bones are there in the human skull?

diabetes.co.uk

What is the longest nerve in the human body?

Facial nerve

Sciatic nerve

Trigeminal nerve

Accessory nerve

royalgardenhotel.co.uk

How many basic tastes can humans sense?

Three

Five

Eight

Ten

Getty Images

How much salt is there in the average human body?

0.09% of the body’s weight

0.4% of the body’s weight

1% of the body’s weight

3% of the body’s weight

beachgoer.com

How much skin does the average person shed in a year?

About 1.5 kg

About 2 kg

About 4 kg

About 5 kg

webmd.com

How long do our eyelashes last?

About 30 days

About 90 days

About 150 days

About 180 days

wallpaperflare.com

What human bones are almost as hard as concrete?

Upper arm bones

Thigh bones

Wrist bones

Ribs

purchaseear.com

The ears are organs that provide two main functions — hearing and __________.

Balance

Precognition

Digestion

Smell

lingualbox.com

How many facial muscles are involved in speaking?

123

218

goodparentingbrighterchildren.com

What percent of the human body is water?

Up to 75%

Up to 60%

Up to 40%

Up to 30%

rightasrain.uwmedicine.org

How many bones do babies have at birth?

188

256

300

352

allsmilesdentist.com

How many teeth does the average person have?

websterunitedmethodist.org

What is the only part of the body that has no blood supply?

Cornea

Auditory nerve

Tongue

Nasal cavity

s1.1zoom.me

What is the total length of all the blood vessels in the human body?

About 11 miles

About 480 miles

About 2000 miles

About 60,000 miles

scienceabc.com

How many types of permanent teeth are there in an adult's mouth?

Three

Four

Five

Seven

schultzchiropractic.ca

The human body consists of how many organ systems?

Four

Seven

Eleven

Fifteen

YouTube

How many organs are there in the human body?

fittosmile.com

How much saliva does the average person make each day?

Less than 0.5 liters

Between 0.5 and 1.5 liters

2 liters

More than 3 liters

nypost.com

How fast does a sneeze travel?

Up to 25 mph

Up to 40 mph

Up to 70 mph

Up to 100 mph

primefeed.in

What metal is present in human blood?

Lead

Iridium

Iron

Rhodium

lorealparisusa.com

What is the only part of our bodies that grow faster than hair?

Bone marrow

Nose hairs

Eyelashes

Nails

history.com

What is the speed of the fastest nerve impulses?

57 mph

83 mph

139 mph

180 mph

stocksy.com

What is the largest internal organ in the human body?

Lungs

Brain

Heart

Liver

elements.envato.com

How much gold is found in the average human body?

0.2 milligrams

33 milligrams

0.62 grams

1 gram

belmarrahealth.com

How much blood is in the human body?

3-3.5 gallons

1.8-2.5 gallons

1.2-1.5 gallons

0.5-1 gallon

inspirationfeed.com

What is the most abundant element in the human body?

Carbon

Oxygen

Hydrogen

Titanium

ballet.org.uk

How many bones are there in the human body?

193

206

367

418

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How Well Do You Know Your Own Body?

About This Quiz

How many bacteria live on human skin?

What is the largest organ in the human body?

The word muscle comes from Latin term meaning ____________.

How many smells can the human nose detect?

What are the fastest muscles in the human body?

What is the scientific name for red blood cells?

What is the memory capacity of the human brain?

Apart from fingerprints, what another part of the human body is unique?

How many bones are there in the human skull?

What is the longest nerve in the human body?

How many basic tastes can humans sense?

How much salt is there in the average human body?

How much skin does the average person shed in a year?

How long do our eyelashes last?

What human bones are almost as hard as concrete?

The ears are organs that provide two main functions — hearing and __________.

How many facial muscles are involved in speaking?

What percent of the human body is water?

How many bones do babies have at birth?

How many teeth does the average person have?

What is the only part of the body that has no blood supply?

What is the total length of all the blood vessels in the human body?

How many types of permanent teeth are there in an adult's mouth?

The human body consists of how many organ systems?

How many organs are there in the human body?

How much saliva does the average person make each day?

How fast does a sneeze travel?

What metal is present in human blood?

What is the only part of our bodies that grow faster than hair?

What is the speed of the fastest nerve impulses?

What is the largest internal organ in the human body?

How much gold is found in the average human body?

How much blood is in the human body?

What is the most abundant element in the human body?

How many bones are there in the human body?

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