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How did Johnny feel?
He was sad.
What happened to Johnny’s arm?
It is broken.
Why Johnny couldn't go outside?
Because his arm was broken and it hurts.
Who made up a bed for Johnny?
Mom
How many times do an adult’s body vessels circle the Earth’s equator?
4 times
What did mom bring Johnny to eat?
Some milk and fruit
Which of your lung is smaller? Left or right?
Left lung is 10 percent smaller.
What are osteoblasts?
They are bone builders.
How many times do the osteoclasts break up the bone and the osteoblasts make new bone?
4 times
How many species of bacteria are there in an average person’s belly button?
67
What keeps the bone from moving around?
Collagen
What do osteoblasts use to fix the bone?
Calcium
Whose teeth are stronger? Humans or sharks?
They are same.