INTERESTING FACTS ABOUT NATURE

1. when you blush, your stomach lining also reddens.

2. An apple tree is at its prime when it is about 50 year old. The united states produce about 100 million barrels of apples a tear. That's a lot of old trees.

3. The Persian gulf is warmest sea. In the summer its temperature reaches 35.6 degrees Centigrade.

4. The brain uses more than 25% of the oxygen used by the human body.

5. An ostrich's eye is bigger than its brain.

6. The longest liver cells in the body are brain cells which can live an entire lifetime.

7.  The shark has to keep moving to stay alive.

8. While only 2%in weight, he human brain requires 15% of the body's heart work, 20% of oxygen and 25% of all glucose.

9. For each minute of the day, 1 billion tons of rain falls on the earth.

10. Scientists turn up s many as 10,000 new species of insects every year.