Digestive system Flashcards
(9 cards)
What is the function of the mouth in the digestive system?
Digestion of food starts in the mouth. Teeth break down the food and mix it with the enzymes in saliva.
Enzymes in saliva begin the chemical process of digestion.
What connects the mouth to the stomach?
Oesophagus
The oesophagus is a thin tube that transports food to the stomach.
What chemical does the liver release into the intestines?
Bile
Bile is essential for the breakdown of lipids in food.
What is the primary function of the stomach?
Mixes food and drink with acid
The stomach is a muscular bag that aids in the digestion process.
What does the pancreas release into the intestines?
Enzymes
These enzymes break down carbohydrates, proteins, and lipids in food.
Where do carbohydrates, proteins, and lipids digest and get absorbed?
Small intestine
Nutrients produced from digestion are absorbed into the blood in the small intestine.
What passes into the large intestine that cannot be broken down?
Fibre
The large intestine also absorbs water into the blood.
What is stored as faeces in the rectum?
Undigested food
The rectum serves as a temporary storage area for faeces.
What is the function of the anus in the digestive system?
It is the opening through which faeces leaves the body.
The anus is the final part of the digestive tract.
