Digestive System

What is the first stage of digestion?

• Peristalsis

• Mastication

• Absorption

• Salivation

Where does digestion begin in the body?

• Stomach

• Lungs

• Mouth

• Liver

What is the role of saliva in digestion?

• Saliva helps in moistening food, breaking down starches, and initiating the digestion process.

• Saliva plays a role in hardening food, increasing fiber breakdown, and speeding up digestion.

• Saliva helps in coloring food, breaking down proteins, and stopping digestion.

• Saliva assists in drying food, enhancing fats breakdown, and delaying digestion.

What is the function of the stomach in digestion?

• The stomach produces insulin to regulate blood sugar levels

• The stomach stores excess water from food

• The stomach absorbs nutrients directly into the bloodstream

• The stomach breaks down food through the secretion of gastric juices.

Which organ produces bile to help with digestion?

• Kidney

• Stomach

• Pancreas

• Liver

What is the main function of the small intestine in digestion?

• Absorb nutrients

• Regulate blood sugar levels

• Store bile

• Produce enzymes

What are enzymes and how do they help in digestion?

• Enzymes are hormones that regulate digestion in the body.

• Enzymes are vitamins that aid in the absorption of nutrients in the intestines.

• Enzymes are carbohydrates that provide energy during digestion.

• Enzymes are catalysts that break down large food molecules into smaller, absorbable nutrients during digestion.

What is the purpose of the large intestine in digestion?

• Absorb water and salts, eliminate waste

• Digest proteins, store bile

• Produce insulin, regulate blood sugar

• Break down carbohydrates, absorb nutrients

How does the body absorb nutrients during digestion?

• Absorption of nutrients occurs in the stomach during digestion

• Nutrients are absorbed by the large intestine during digestion

• The body absorbs nutrients during digestion by converting them into energy directly

• The body absorbs nutrients during digestion by breaking down food into smaller molecules, which are then absorbed by the small intestine and transported into the bloodstream.

Why is water important for the process of digestion?

• Water helps in creating energy for the body

• Water slows down the digestive process

• Water helps in breaking down food particles, absorbing nutrients, and moving food through the digestive system.

• Water is not needed for digestion