Lesson 1: The Digestive System Flashcards
Structure and Main Functions of the Human Digestive System
Fill in the blank: The ________ connects the mouth to the stomach.
esophagus
What does lipase break down?
lipase: an enzyme in the pancreas
fats
What is the primary function of the human digestive system?
To break down food, absorb nutrients, and eliminate waste.
True or False: The mouth is the starting point of the digestive system.
True
Which organ is responsible for the majority of nutrient absorption?
Small intestine
What are the two main types of digestion?
Mechanical digestion and chemical digestion.
Mechanical: By the muscles of the system
Chemical: By enzymes
Multiple Choice
Which of the following organs is NOT part of the digestive system?
A) Stomach
B) Liver
C) Lungs
D) Pancreas
C) Lungs
What is the role of the stomach in digestion?
To store food, and it break down into semi-liquid form with hydrochloric acid.
hydrochloric acid: stomach acid that activates enzymes
True or False: The large intestine is primarily responsible for nutrient absorption.
False
Fill in the blank: The ________ produces bile, which helps in the digestion of fats.
liver
What is the final section of the digestive system called?
Rectum
What is the main function of salivary amylase?
salivary amylase: is produced in salivary glands
Break down starches into maltose.
starches: complex carbohydrates
maltose: simple sugar
