Exam Revision Flashcards
1
Q
molecules
A
two or more atoms joined together forming a small particles
2
Q
organelles
A
small structure in a cell
3
Q
cells
A
the smallest unit
4
Q
digestion
A
breakdown of food
5
Q
mechanical digestion
A
A system that uses physical factors
6
Q
Chemical digestion
A
Chemical reactions changing food into simpler substances
7
Q
alimentary canal
A
passage from mouth to anus
8
Q
enzymes
A
chemicals that speed up reactions
9
Q
saliva
A
watery substance in mouth
10
Q
saliva glands
A
glands that produce saliva
11
Q
bolus
A
chewed up ball of food
12
Q
oesophagus
A
part of the digestive system a tube connecting mouth with stomach
13
Q
peristalsis
A
The process of pushing food
14
Q
stomach
A
A large muscular organ that mixes food
15
Q
small intestine
A
part of the digestive system between the stomach and large intestine
