The gateway of the mouth
The acid chamber of the stomach
The nutrient highway of the small intestine
The recycling plant of the large intestine
YOUR GOAL
Master of The human digestive system
artiteacher Intestinal Villi
Villi, villi fold! Villi, villi fold! Half a badminton court we hold!
artiteacher Digested nutrients pass through intestinal walls directly into blood vessels for body-wide distribution.
artiteacher The pancreas and liver inject vital fluids to neutralize acid and break down fats.
artiteacher Steer nutrients through the small intestine to discover how your body absorbs energy.
Intestinal length: If unfolded, the surface area of your small intestine could cover a half-size tennis court.
Any of the lymphatic vessels of the small intestine that absorb digested fats. In 1622, Italian physician Gaspare Aselli first identified these vessels while performing a dissection in Milan.
Which transport method is used by the small intestine to absorb vital nutrients like glucose against a concentration gradient?
How many neurons make up the enteric nervous system, often called the body's "second brain"?
What percentage of the body's mood-regulating chemical serotonin is produced in the human gut?
Which organ produces bile, the fluid responsible for breaking down fats in the small intestine?
What chemical does the pancreas secrete into the small intestine to neutralize highly acidic stomach chyme?
What is the approximate total surface area of the human small intestine, thanks to its millions of villi?
Where in the small intestine does the majority of chemical digestion by pancreatic enzymes and bile take place?