Biology- Digestion Flashcards
What is the mouths’ function?
Contains teeth to break up food particles
What is the function of the salivary glands?
The salivary glands produce saliva, which keeps the mouth and other parts of the digestive system moist. It also helps break down carbohydrates (with salivary amylase )and lubricates-makes a process run smoothly- the passage of food down from the oro-pharynx to the esophagus to the stomach.
What is the function of the oesophagus?
Transports food down to the stomach
What is the function of the liver?
It process’ the nutrients absorbed from the small intestine. Bile from the liver secreted into the small intestine also plays an important role in digesting fat and some vitamins.
What is the function of the stomach?
Contains hydrochloride acid to destroy pathogens-bacteria, germs or virus- and secretes protease enzymes for the digestion of proteins.
What is the function of the gallbladder?
Stores bile
What is the function of the small intestine?
It is very long and folded to increase its surface area to absorb the broken down food.
What is the function of the pancreas?
It secretes more digestive juices and enzymes into the small intestine to break down the large molecules further.
What is the function of the large intestine?
It continues to absorb digested molecules such as water.
What is the function of the rectum and anus?
The rectum is followed by the anus and they allow any undigested matter to be egested.
What is a catalyst?
A substance that speeds up chemical reactions without being used up itself.
What do enzymes control the speed of and where do they do that?
They control the speed of almost all chemical reactions in out bodies and mostly do it in the cytoplasm of our cells.
What is the smallest functional unit of life that can exist independently?
The cell.
What is a tissue?
A group of similar cells that work together for a specific function.
Muscle tissue function?
Produce movement.
