Lengths
Time
Fun facts
100

What is the length of the mouth? (in inches)

2-4 inches

100

How long does food stay in the stomach? (in hours)

2-4  hours


100

How much saliva do we produce a day?

32 ounces or 4 cups

200

What is the length of the small intestine? (in feet)

9-16 feet

200

How long does food stay in the small intestine? (in hours)

2-6 hours

200

How much can the stomach expand?

Up to 8 cups

300

What is the length of the large intestine? (in feet)

5 feet

300

How long does food stay in the large intestine? (in hours) 

Up to 72 hours

300

What can the surface area of the small intestine be compared to?

A) A basketball court

B) A tennis court

C)A soccer field

A tennis court

400

What is the length of the stomach? (in inches)

10-12 inches

400

How long does food stay in the esophagus? (in seconds)

5-8 seconds

400

Do we have brain cells in our intestine?

Yes, 100 million of them! This is called the enteric nervous system.

500

What is the length of the esophagus? (in inches)

10 inches


500

How long does food spend in the mouth? (in seconds)

30-60 seconds

500

Do we have more cells or more microorganisms in our body?

Microorganisms