Cows, along with sheep, goats, deer, antelope, bison, buffalo, moose, elk, and reindeer, are all ruminants. These are mammals ...

The gastrointestinal system comprises a plethora of different cell types that develop, interact, specialize and function in a complex, tightly regulated process and, in many cases, show remarkable ...

The digestive system breaks down food into tiny particles which are absorbed into the blood. These particles provide energy for the body to grow, repair itself and remain healthy. Food that cannot be ...

Save guides, add subjects and pick up where you left off with your BBC account. Put 1cm³ of amylase enzyme into tube 1 but not tube 2. Leave at room temperature for five minutes. Test for starch ...

Q. Bile juice contains no digestive enzymes, yet it is important for digestion. Why? Ans. Bile juice is secreted by the liver and acts as a digestive juice. It contains bile salts such as bilirubin ...

Think of cell death and you probably think of caspase-executed apoptosis. Cells going through tough times can also undergo self-digestion — autophagy — but only now have Li et al. discovered that this ...