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Human body

3.7
(456 votes)
15 questions
English
Test your knowledge about human body!
1

How many bones does an adult human have?

206

187

224

278

66% got this right

Infants have 270 bones which fuse to become 206 bones in average human adult.
2

Which organ in human body releases insulin and glucagon hormones to control your blood sugar levels?

Pancreas

Intestines

Kidneys

Liver

53% got this right

Pancreas has two main functions: an exocrine (helps in digestion) and an endocrine (regulates blood sugar).
3

How fast is the sneeze?

120–160 km/ hour

170-210 km/ hour

60-80 km/ hour

80-110 km/ hour

Hard  33% got this right

4

Where can you find the smallest bone in a human body?

Ear

Foot

Hand

Neck

Easy  81% got this right

Stirrup (stapes) is one of tree small bones in human ear that help with translating vibrations from sound waves
5

What is the strongest muscle in human body compared to its weight?

Masseter

Deltoid

Gluteus Maximus

Quadriceps

Hard  17% got this right

Masseter (jaw muscle) can close the teeth with a force of 25 -90 kilograms (55 -200 pounds) on various teeth.
6

How many teeth does an adult normally have?

32

26

28

34

70% got this right

7

How many taste buds are on your tongue?

Between 2,000 and 4,000

Between 3000 and 5000

Between 5000 and 6000

Between 800 and 1500

Hard  27% got this right

Adults have between 2,000 and 4,000 taste buds in total. The sensory cells in the taste buds are renewed once a week
8

What is the longest bone in human body?

Femur

Fibula

Humerus

Tibia

54% got this right

The femur is not only the longest bone in the body, but also its strongest, capable of supporting as much as 30 times th
9

How many flakes of dead skin do humans approximately lose each minute?

30,000 to 40,000 dead skin cells

10,000 to 20,000 dead skin cells

20,000 to 30,000 dead skin cells

50,000 to 60,000 dead skin cells

Hard  20% got this right

Over the course of a lifetime we lose about 35kg of dead skin cells!
10

What connects your muscles to the bones?

Tendons

Cartillage

Fascia

Ligaments

Hard  29% got this right

11

Where are new blood cells made?

Bone marrow

Heart

Liver

Pancreas

54% got this right

Most of the bone marrow is found in pelvic, breast and spine bones.
12

How many vertebrae do humans have at birth?

33

27

30

35

Hard  32% got this right

The average person is born with 33 individual verterbrae in spine. Some of them fuse together as we age
13

Which cells in your blood help with infections?

White blood cells (leukocytes)

Nerve cells

Platelets

Red blood cells (erythrocytes)

61% got this right

White blood cells are part of your immune system. They circulate in your blood and respond to injury or illness.
14

How many colors can the human eye see?

Around one million

Around four million

Around three million

Around two million

Hard  26% got this right

Human eye has three types of cone cells that can register about 100 different color shades each = million combinations.
15

How much urine can the bladder usually hold?

500-700 ml

1000-1200 ml

400-500 ml

800-1000 ml

Hard  26% got this right