Math
5×6
30
What organ pumps blood around the body?
Heart
100÷4
25
What gas do humans breathe?
Oxygen
5×4
20
How many bones are in the human body?
206
What is the square root of 144?
12
Closest star to the Earth?
The sun
if x+7=15
x=?
8
By what process do plants make food?
Photosynthesis