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
What structures of your mouth helps with mechanical digestion?
Teeth
What is the name for a chemical that speeds up a chemical reaction in the body. An example of this is amylase.
Enzyme
What is in saliva that begins the breakdown of carbohydrates?
Amylase
Name the MAIN digestive system organs in the correct order (Hint: 5 organs)
Mouth, esophagus, stomach, small intestine, large intestine
What is mechanical digestion?
Breaking down of materials by breaking, tearing, crushing and mashing
If you were to lay them rolled out, which intestine is longer ?
Small
What is a major factor that determines if a nutrient can enter the cell membrane?
The size of the nutrient (must be broken down)
Name of the watery substance found in our mouths that facilitates the first chemical digestion
Saliva
What is the function of the small intestines?
Absorbs all the nutrients and sends it through to the rest of the body.
What is chemical digestion?
The breaking down of food into smaller pieces by chemicals like saliva or enzymes
Why are there different types of enzymes?
Different nutrients in foods require different enzymes to break them down (lock and key - enzyme and substrate)
Name three steps of digestive process in the mouth
Salivation, chewing ad swallowing
Name three systems involved in nutrition (think metabolism simulation)
Digestive system, circulatory system, and respiratory system
What is the main function of the large intestines?
Absorbs water and compacts the waste
Name 2 functions of the digestive system
Introduces foods ito the body and prepares and transforms it to anable its use by cells.
What prevents food from entering the windpipe
Epiglottis
Name 2 of the accessory glands
Liver, pancreas, gallblader and salivary glands.
What are proteins and carbohydrates broken down into?
Amino acids and glucose
Where does mechanical and chemical digestion take place?
Stomach and mouth
What substance does the pancreas produce that allows glucose to pass from the bloodstream to your cells
Insulin
What is the movement of the muscles around the esophagus to allow food to pass through?
Peristalsis
Name the organ that produces bile.
The Liver
What letters do many enzyme names end in?
-ase