Digestive system
Where does the first step of the digestive system take place?
Mouth
What is the name of the structure that separates the esophagus and the stomach?
Lower esophageal sphincter
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?
Salivary amylase
Name the MAIN digestive system organs in the correct order
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 are the two ways in which digestive processes are controlled?
Nervous system control and endocrine (hormonal) control.
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 enzyme action
In which part of the gastrointestinal tract are substances produced by the liver and gallbladder secreted?
In the duodenum
Name the three digestive processes that happen in the mouth
ingestion, chewing, breakdown of starch into maltose
Name any systems involved or interact with the digestive system.
circulatory system, respiratory system and excretory system
What is the main function of the large intestines?
Absorbs water and salts
Name the 5 functions of the digestive system
Ingestion, Digestion, Absorption, Homeostasis, Excretion
What prevents food from entering the trachea?
Epiglottis
Name the 4 accessory glands that aid in digestion
Liver, pancreas, gallblader and salivary glands.
What are the four types of teeth and their functions?
Incisors, ripping and biting; canines, ripping and tearing; premolar and molar teeth grinding food.
Where does mechanical and chemical digestion take place?
Stomach and mouth
What are the structures in the small intestine that absorb nutrients
Villi
What is the movement or contraction of the muscles around the esophagus to allow food to pass through?
Peristalsis
What fluid is made and released by the liver and stored in the gallbladder. It helps with digestion and breaks down fats into fatty acids, which can be taken into the body by the digestive tract.
Bile
What enzyme breaks down proteins into amino acids in the digestive system?
what is peptidase