Topic
Digestion
4 questions tagged Digestion — spanning every one of the seven Ws.
why
Why do some people have lactose intolerance?
Lactose intolerance happens when the body makes too little lactase, the enzyme that digests milk sugar. Undigested lactose then reaches the colon and causes symptoms.
Human BiologyDigestion
what
What is a ruminant?
A ruminant is a hoofed mammal that digests plant food by regurgitating and rechewing it as cud. Cattle, deer, sheep, and giraffes are ruminants.
AnimalsDigestion
why
Why do rabbits eat their own soft droppings?
Rabbits eat soft droppings, called cecotropes, to absorb extra nutrients made by bacteria in the gut. This lets them get more vitamins and energy from a fibrous plant diet.
MammalsDigestion
where
Where is lactase produced in the body?
Lactase is produced in the lining of the small intestine, especially the cells of the intestinal villi. It helps digest lactose in milk.
Human BiologyDigestion