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game nutwing

Eating and excreting

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How much saliva do you produce in a day?

A paddling pool full


1.5 litres

An egg cup full

1 / 10

What do you need saliva for?

It keeps your digestive system wet and slippery

To stop you needing a drink

To clean your food before you eat it

So that you can spit

2 / 10

What is the hardest part of your body?

Your bones

Your skin

Your nose

The enamel on your teeth

3 / 10

How long does it take for food to travel from your throat into your stomach?

1 hour

An entire day

7 seconds

1 second

4 / 10

What happens if your food goes down your windpipe by accident?

You fart

You cough

You sneeze

You cry

5 / 10

How do you know when you are hungry?

Your mouth starts to hurt

Your stomach sends a signal to your brain

Your feet are itchy

Your throat gets dry

6 / 10

What is the digestive liquid that your liver produces called?





7 / 10

On average how much food will you eat in your lifetime?

140,000kg around a whale

35,000kg, around 30 cars

10,000kg around 4 horses

50,000kg around a bouncy castle

8 / 10

How can you turn your wee pink?

Eat lots of beetroot!

Eat lots of strawberries!

Wish really hard!

Wear pink underpants!

9 / 10

How big are your kidneys?

About the same size as a computer mouse or mobile phone

About the same size as a snail or slug

About the same size as an apple or pear

About the same size as a cup or mug

10 / 10
game nutwing
game nutwing