A
B
C
D
E
100

What does the heart do?

Moves blood around the body.

100

What does the skeleton do? (Name one thing)

Helps us stand.

Helps us move.

Protects our organs

100

How many toes do people have?

10

100

How many lungs do people have?

Two
100
What does the skin do? 

Protects our organs

200

What do the lungs do?

Take in air and let us breathe.

200

How many fingers do people have?

8 and two thumbs!
200

What gas do we need to breathe in?

Oxygen

200

What gas do we breathe out?

Carbon Dioxide (Co2)

200

What happens to your heart when you run and why?

It beats faster because you need more oxygen in your body.

300

What does the brain do?

Tells everything in the body what to do.

300

Name an organ that is part of the digestive system (to do with food)

Stomach, intestines

300

What is an organ?

A group of tissues that has a special job to do.

300

How many times do adults breathe every minute?

About 18 times

300

What do the intestines do?

They take in all the good things from your food.

400

What does the stomach do?

It breaks down the food that we eat.

400

Do veins carry blood to the heart or away from the heart?

To the heart.

400

Do arteries carry blood to the heart or away from the heart?

Away from the heart.

400
How many bones do babies have?

270

400

How many bones to adults have?

206

500

What do the liver and kidneys do?

They clean the blood and remove bad things from the blood.

500
What is the biggest organ on the human body?

The skin

500

What do the ribs protect?

The lungs and heart.

500

What does the skull protect?

The brain

500

Which is longer, the small intestine or the long intestine?

The small intestine is longer.