Functions of the Digestive System
What is the primary function of the digestive system?
It breaks down food into smaller pieces and absorbs nutrients.
Name the muscular tube that food passes through after the mouth.
Esophagus.
What organ produces bile?
Liver
What is mechanical digestion?
The physical breakdown of food into smaller pieces.
Why is it important to eat on schedule?
It helps maintain a regular digestive rhythm and metabolism.
What does the stomach do to food?
It turns the bolus into a liquid called chyme through peristalsis and stomach acid.
What connects the mouth to the stomach?
Pharynx
What is the function of the gallbladder?
It stores and releases bile into the small intestine.
Describe how chemical digestion occurs.
It involves enzymes breaking down food chemically.
How does fiber benefit the digestive system?
It aids in digestion and helps prevent constipation.
How does the small intestine contribute to digestion?
It absorbs nutrients from digested chyme with the help of villi.
Identify the organ where chyme is processed.
Small intestine.
Where is the pancreas located?
Under the stomach.
Where does mechanical digestion begin?
In the mouth.
Name a good practice for maintaining digestion.
Chewing food properly and eating slowly.
What happens in the large intestine?
It compacts wastes and reabsorbs water.
What does the esophagus do during digestion?
It uses peristalsis to move the bolus to the stomach.
What does the liver do to the blood?
It filters and cleans blood coming from the digestive tract.
What is the role of saliva in digestion?
It moistens food and contains enzymes like amylase that start digestion.
Why should you wash your hands before eating?
To prevent germs from contaminating your food.
What role do digestive enzymes play in the system?
They change the chemical composition of food for better digestion.
Name the organ that absorbs nutrients.
Small intestine.
How does the pancreas aid digestion?
It produces pancreatic juices that help digest food.
How do enzymes change food?
They break down complex molecules into simpler ones for absorption.
How does exercise affect digestion?
It helps improve digestion and promotes regular bowel movements.