Digestion and digestive system

What is the definition for digestion?

• Breaking down food into smaller nutrients
• Getting rid of waste products
• Getting food into our bodies
• Getting nutrients into our bloodstream, so that our cells can use them

The muscular tube that moves food from the mouth to the stomach?

• esophagus
• small intestine
• stomach
• mouth

What is the correct order in which food passes through the digestive system?

• mouth>stomach>large intestine>small intestine
• esophagus>sm intestine>stomach>lg intestine
• stomach>sm intestine>esophagus>mouth
• mouth>esophagus>stomach>sm intestine>lg intestine

The chewing and grinding of food into smaller pieces is an example of...

• Mechanical Digestion
• Chemical Digestion

The liquid inside the mouth that contains enzymes to begin digestion is called ____________.

• saliva
• salivary glands
• bile

What churns food and breaks it down further using strong acids?

• Stomach
• Salivary glands
• Liver

Which action takes place in the stomach ?

• Large fat molecules are digested into smaller molecules

• Proteins are broken down

• Amylase breaks down starches into smaller sugar molecules

• Insulin is secreted for use in the small intestine

The process that is taking place there is

• peristalsis

• digestion

• absorption

• excretion

Which process depends on enzymes?

• chemical digestion

• elimination

• mechanical digestion

• absorption

In which part of the picture does chemical digestion begin

• 1

• 2

• 3

• 4

• 5