GCSE Biology (Separate) B3 Organisation & the digestive system

_____ are group of cells with similar structure & function.

____ are collections of tissues performing specific functions

The digestives system is needed to break down large ____ molecules into small ____ molecules which can be absorbed into the bloodstream.

The digestive system contains ______ such as the pancreas, which make and release digestive juices containing enzymes to break down your food.

The ______ is where soluble food molecules are absorbed into your blood.

The small intestine has a large surface area as it is covered in _____

The liver produces _____ which helps in the digestion of lipids

Carbohydrates are made up of units of _____

Simple sugars turn blue Benedict's solution...

Starch turns _____ blue-black

The _____ test indicates the presence of lipids in solution

Biuret reagent turns from blue to _____ in the presence of proteins

_____ increase the rate of chemical reactions without chemically changing themselves

Enzymes are _____

The substrate binds in the part of the enzyme called the...