Human Body Fun Facts flashcards

Question 1

How many bones does a typical adult human skeleton have?

Accepted Answer

206.

Question 2

What organ pumps blood around the body?

Accepted Answer

The heart.

Question 3

What is the body’s largest organ?

Accepted Answer

The skin.

Question 4

Which organs help you breathe by exchanging oxygen and carbon dioxide?

Accepted Answer

The lungs.

Question 5

What is the hard outer layer of a tooth called?

Accepted Answer

Enamel.

Question 6

Which part of the eye controls how much light enters?

Accepted Answer

The iris changes the size of the pupil.

Question 7

What is the body’s largest internal organ?

Accepted Answer

The liver.

Question 8

Which organs filter waste from the blood to make urine?

Accepted Answer

The kidneys.

Question 9

What carries messages between the brain and the body?

Accepted Answer

Nerves.

Question 10

What is the colored part of the eye called?

Accepted Answer

The iris.

Question 11

How many chambers does the human heart have?

Accepted Answer

Four.

Question 12

What protects the brain?

Accepted Answer

The skull.

Question 13

Which body system includes the brain and spinal cord?

Accepted Answer

The central nervous system.

Question 14

What do red blood cells carry around the body?

Accepted Answer

Oxygen.

Question 15

Which muscle helps draw air into the lungs?

Accepted Answer

The diaphragm.

Question 16

What is the name for the body’s framework of bones?

Accepted Answer

The skeleton.

Question 17

Which organ begins digestion by mixing food with acid and enzymes?

Accepted Answer

The stomach.

Question 18

What connects muscles to bones?

Accepted Answer

Tendons.

Question 19

What connects one bone to another at a joint?

Accepted Answer

Ligaments.

Question 20

Which organ helps control and coordinate many body activities?

Accepted Answer

The brain.

Human Body Fun Facts