Share Digestion and Nutrition
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Explain the difference between chemical and mechanical digestion.
Mechanical digestion is the breaking apart of food into smaller particles. Chemical digestion needs an enzyme to completely breakdown the food.
Where in the digestive system does chemical digestion occur?
mouth, stomach, small intestine
Where in the digestive system does mechanical digestion occur?
mouth, stomach, small intestine
Which enzyme breaks down starches in the mouth?
amlyase
Which enzyme is found in the stomach to breakdown proteins?
pepsin
Which enyme needs an acidic environment?
amlylase
What unit is used to measure the energy content in food?
Calorie
Where are the villi found?
in the small intestine
What is the function of the villi?
To absorb nutrients into the blood.
proteins break down into ....
amino acids
Starches/carbohydrates breakdown into ....
glucose/sugars
Lipids breakdown into ...
glycerol and fatty acid
Where is saliva found?
mouth
Peristalsis is ...
The process of smooth muscle contractions to move food through the digestive system
Stomach is labelled ...
C
Pancreas is labelled ...
D
