| A | B |
|---|
| alimentary canal | a muscular tube through which food is digested, absorbed or eliminated |
| amino acid | a nitrogen containing compound that is the building block of all proteins |
| amylase | a group of enzymes that break down complex carbohydrates into simple carbohydrates |
| bile | secretion from the liver that contains bile salts for the emulsification of fats |
| cloaca | common chamber for outlet of material from the digestive tract, urinary system, reporductive system present in monotremes, marsupials and birds |
| dietary fibre | a mixture of different compounds, present in food of plant origin derived from plant cell walls |
| differentially permeable membrane | a membrane that allows some substances to pass through it |
| diffusion | particles move from an area of high concentration to a low concentration |
| digestion | the mechanical or chemical breakdown of large organic molecules into smaller units that can pass through plasma membranes |
| enzymes | proteins that increase the rate of a chemical reaction |
| equilibrium | the stage whereby concentrations of substances are equal |
| lipase | an enzyme that breaks down fats and oils |
| lymphatic system | a body system comprising lymph vessels and lymph nodes |
| oesophagus | muscular tube that transports food from the pharynx to the stomach |
| organelles | structures present in cells that have specific functions |
| osmosis | describes the movement of water across a membrane |
| permeable | referring to a membrane that allows substances to pass through it |
| saliva | secretion from the salivary glands in the mouth |
| salivary gland | a gland that secretes saliva |
| small intestine | part of the digestive system that includes the duodenum, jejunum and ileum |
| stomata | pores in the leaves of plants which enable gas exchange |
| xylem | vascular tissue that transports water and mineral ions |
