digestive system Flashcards
1
Q
what is the meaning of digestion
A
the process through which the body breaks down food
2
Q
what is physical digestion
A
is when the mouth helps break down the food by using your teeth and tongue
3
Q
what is physical digestion
A
Macronutrients must chemically broken by enzymes in the mouth
4
Q
what is the meaning of peristalsis
A
a series of wave-like muscle contractions that move food through the digestive tract.
5
Q
what units are macronutrients broken into
A
protein into amino acids
fats into fatty acids and glycose
carbohydrates into simple sugars e.g glucos
