Digestion: mechanical and chemical

Question 1

What are the two modes of action that digestion consists of?

Answer 1

mechanical digestion

Chemical Digestion

Question 2

How does mechanical digestion of food occurs?

Answer 2

occurs mainly through mastication.

Question 3

What is mechanical digestion?

Answer 3

physical breakdown of large pieces of food into smaller pieces by digestive enzymes so the body can use

Question 4

Where does chemical digestion begin and carries through to

Answer 4

food begins in the mouth but carries on through other enzymes present in secretions produced by glands and accessory organs throughout the gastrointestinal tract

Question 5

What does salvia contain?

Answer 5

salivary amylase

Question 6

What does saliva contain?

Answer 6

digestion of starch in the food; the saliva also contains mucus, which lubricates the food, and hydrogen carbonate,

Question 7

What is the ideal pH for salivary amylase to work?

Answer 7

alkaline (above 7)