respiratory system skeletal system digestive system no smoking protect our eyes
100
What do we need to live?
We need air to live.
100
How many bones are in an infant's body?
An infant body has 300 bones.
100
What does food travel down to get into the stomach?
Food travels down the food pipe to get into the stomach.
100
Is smoking good for us?
No, smoking is not good for us.
100
What do the eyes do?
The eyes let us see things.
200
What do we use to take in oxygen?
We use our nose to take in oxygen.
200
Which bone looks like a necktie?
The sternum looks like a necktie.
200
What breaks down the food inside the stomach?
Acid breaks down the food inside our stomach.
200
How many bad things are in smoking?
More than 5000 bad things are in smoke.
200
What is the "black hole at the center of the Iris" called?
The "black hole at the center of the Iris" is called the pupil.
300
What does oxygen travel through?
Oxygen travels through the windpipe.
300
Which bones protect our heart and lungs?
The rib cage protects our heart and lungs.
300
How does food pass into the bloodstream?
Food passes into the bloodstream as nutrients.
300
What are the tiny things inside our lungs that smoking damages called?
The tiny things inside our lungs that smoking damages are called cilia.
300
How many times do we blink a minute?
We blink 17 times a minute.
400
What are the two tubes in our lungs called?
The two tubes in our lungs are called Bronchi.
400
What 3 things can we do to make our bones stronger?
Exercise, playing sports, and drinking milk make our bones stronger!
400
How long does food stay inside the stomach?
Food stays inside the stomach for 4 hours.
400
What does toxic gas fill inside our lungs when we smoke?
Toxic gas fills the Alveoli inside our lungs when we smoke.
400
How do we take "good care" of our eyes?
We take "good care" of our eyes by washing and wipe them with a clean towel.
500
What are the "small and spongy air sacks" in our lungs called?
The "small and spongy air sacks" in our lungs are called Alveoli.
500
What are bones made of?
Bone is made of collagen.
500
What passes from the bowel?
Waste passes from the bowel.
500
How many cancer deaths are caused by smoking?
1 in 3 cancer deaths are caused by smoking.
500
What do we do to protect our eyes?
We keep sharp things away from them and play safely to protect our eyes.






How Humans Work

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