Digestive system 1
Where does the first step of the digestive system take place?
Mouth
What is the function of the esophagus?
Transports food from the mouth to the stomach
Name the enzyme, substrate and product involved in enzyme action in the mouth.
Amylase, starch, maltose
What is the name for a chemical that speeds up a chemical reaction in the body.
Enzyme
What is a function of the bacteria in the large intestine?
Produce vitamins etc.
Name the MAIN digestive system organs in the correct order (Hint: 5 organs)
Mouth, esophagus, stomach, small intestine, large intestine
what is the function of the pancreas?
Secretes insulin and digestive juices
Teeth that are best used for biting off large pieces
Incisors
What protects the stomach from self-digestion?
Mucous
Sphincter muscle between the small intestine and large intestine?
Ileocecal Sphincter
What is the function of the small intestines?
Absorbs all the nutrients and sends it through to the rest of the body.
What is the top temporary stoarage area of the stomach called?
What is the fundus
How is lactose intolerance caused?
Lact of Lactase
Name 2 parts of the small intestine
Ileum and duodenum
Name the four stages of digestion in order.
Ingestion, Digestion, Absorption, Egestion
What is the main function of the large intestines?
Absorbs water and compacts the waste
What is the function of bile?
Emulsify fats
What prevents food from entering the windpipe
Epiglottis
Name the 3 accessory glands
Liver, pancreas, and salivary glands.
What is the role of the serosa layer?
Produce serous fluid
What does salivary amylase digest?
Carbohydrates
What are the structures in the small intestine that absorb nutrients
Villi
What is the uvula?
a projection of the soft palate
Name the part in the stomach that allows chyme into duodenum.
Pyloric Sphincter
Where is the cecum located?
First part of large intestine