The Skin
The Digestive System
Bones & Muscles
The Brain
The Respiratory System
100

The largest organ in the body is?

The skin

100

Some say, "food is _______"! 

Fuel

100

No matter how you move your body, some of your ____________ are contracting. 

Muscles 

100

We control everything we do with our ____________.

Brain

100

When you inhale, your ____________ goes down.

Diaphragm

200

A professional athlete can sweat as much as?

4 litres

200

Why doesn't the acid in our stomach eat away at the stomach lining? 

Mucus

200

You have _____________ in your body which connect your muscles to bones. 

Ligaments 

200

Your brain works even when you are asleep (true or false)?

True

200

The lungs have as much surface area as a __________ court. 

Tennis
300

What special product does the skin in your ear make? 

Ear wax

300

What is the name of the 'food tube'?

Esophagus 

300

The joints in all of your fingers are __________ joints.

Hinge

300

What part of your brain helps with balance? 

Cerebellum

300
Your right lung is divided into how many parts? 

3

400

The thinnest skin on your body is found on your...

Eye lids 

400

How long is the small and large intestine? 

10 meters long! 

400

There are more bones in a sparrow's neck than bones in the neck of which animal? 

A giraffe 

400

Your brain is _____________ like a newspaper so that it doesn't take up too much space. 

Newspaper 

400

Your left lung is divided into how many parts?

2

500

The pigment in your skin that makes different shades of brown is called?

Melatonin

500

The stomach ____________ food by breaking it down into smaller pieces. 

Digests 

500

Your muscle makes up about what percent of your body weight? 

85%

500

What technological device is used to take a picture of the brain ?

MRI

500

Tiny passageways in the lungs are called what? 

Aveoli