Lengths
What is the length of the mouth? (in inches)
2-4 inches
How long does food stay in the stomach? (in hours)
2-4 hours
How much saliva do we produce a day?
32 ounces or 4 cups
What is the length of the small intestine? (in feet)
9-16 feet
How long does food stay in the small intestine? (in hours)
2-6 hours
How much can the stomach expand?
Up to 8 cups
What is the length of the large intestine? (in feet)
5 feet
How long does food stay in the large intestine? (in hours)
Up to 72 hours
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
What is the length of the stomach? (in inches)
10-12 inches
How long does food stay in the esophagus? (in seconds)
5-8 seconds
Do we have brain cells in our intestine?
Yes, 100 million of them! This is called the enteric nervous system.
What is the length of the esophagus? (in inches)
10 inches
How long does food spend in the mouth? (in seconds)
30-60 seconds
Do we have more cells or more microorganisms in our body?
Microorganisms