Physical (mechanical) digestion and chemical digestion

Question 1

Mechanical digestion

Answer 1

• The physical breakdown of food into smaller pieces with a larger surface area for the action of digestive enzymes
  ex: chewing, stomach churning

Question 2

Chemical digestion

Answer 2

• Uses certain enzymes to break down nutrients, such as carbohydrates, proteins, and fats, into smaller molecules
• protease, amylase, and lipase