- Life Sciences
a disease caused when the body's immune system destroys other body cells.
a duct through which saliva passes from the salivary gland into the mouth.
the difference between the concentrations of a specific molecule in two adjacent areas.
breaking down of large nutrient molecules using chemical means (e.g. through the action of...
the last part of the mammalian large intestine, which stores faeces until it can be expelled...