Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Ch. 16 Digestive

The Digestive System

Food provides __________ and __________ we need for our bodily functions? Energy and Nutrients
Food must be converted into usable forms by the? Digestive System
What tube goes from the mouth to the anus? Alimentary Tube
Digestion occurs in the? Mouth, stomach, and small intestine
What are the accessory organs? Teeth, tongue, salivary glands, liver, gallbladder, pancreas.
The accessory organs contribute to what? Digestion
What are the two types of digestion? Mechanical and Chemical
Mechanical digestion is? Physical breakdown into smaller pieces
Chemical digestion is? Breaking down complex molecules into simple molecules.
Another name for the Oral cavity is? Buccal or the mouth
What are the names of the two sets of teeth? Deciduous and Permanent
Deciduous teeth are also called? Baby teeth
How many total baby teeth are there? 20
At what age do the baby teeth start to erupt? 6 months
All the baby teeth are usually in by what age? 2 years
The permanent teeth do what? Replace the deciduous teeth
There is a total of ____ permanent teeth? 32
What types of permanent teeth are there? Incisors 8, Canine 4, Premolars 8, Molars 12.
Gingiva are the? Gums
The crown is the? Part above the gingiva
The enamel is the? Very hard covering of the crown
Enamel is made by what type of cells? Ameloblast
Enamel also prevents the tooth from doing what? Wearing out
What is deep to the enamel? Dentin
Dentin is similar to? Bone
Dentin is produced by what? Odontoblasts
The root of the tooth is enclosed in the what? Socket or gomphosis
The ligament that attaches to the root and bone of the tooth is called? Periodontal membrain
The innermost portion of the tooth is called? Pulp cavity
The pulp cavity contains ______ ______ and fibers of ________? Blood vessels, Trigeminal nerves
The tongue is made up of what type of muscle? Skeletal muscle
What are the functions of the tongue? Taste, move food, and help with swallowing
The projections on the superior surface of the tongue are called? Papila
The papila contain? Taste buds
The papila also grip food to? Manipulate it
The salivary glands produce? Saliva
How many pairs of salivary glands are there? 3
What are the names of the 3 pairs of salivary glands? Parotid, Submandibular, and Sublingual
Saliva is used to? Break down carbs and sugars
The amount of saliva produced varies based on? The need
Parasympathetic control causes an increase in saliva via what type of nerves? Facial nerves and glosopharyngeal nerves.
The muscular part behind the oral cavity used for swallowing is called? Pharynx
The muscular tube that connects the pharynx to the stomach is called? Esophagus
The muscular contractions that move bolus down is called? Peristalsis
Another name for the lover esophageal sphincter is? Les cardiac sphincter
The les cardiac sphincter is located at? The junction of the stomach
The Les cardiac sphincter prevents what from happening? Regurgitation and GERD
The alimentary tube has how many structural layers? 4
Name the 4 structural layers of the alimentary tube? Digestive mucosa, Submucosa, External muscle layer, and Serosa
What makes up the lining of the alimentary tube? Digestive mucosa
The digestive mucosa of the alimentary tube is made of what type of tissue? Epithelial tissue
The esophagus is made up of what type of tissue? Stratified squamous epithelial tissue
The stomach and intestines is made up of what type of tissue? Simple columnar epithelial tissue
The stomach and intestines secrete what? Digestive enzymes
Deep to the Digestive mucosa is called the? Submucosa
The lymphnodes are deep to the epithelium in the? Areolar connective tissue
Lymphnodes fight infection that get through the? Epithelium
The submucosa is highly ________ and highly ________? Vascular and Nervous
The submucosa also contains what type of tissue? Lymphatic tissue
What nervous system stretches the entire length of the gut? Enteric nervous system or Intestinal nervous system.
Nerve networks that innervate mucosa to regulate secretions is called what? Meissners or Submucosal plexus
What increases secretion? Parasympathetic
What decreases secretion? Sympathetic
The external muscle layer of the alimentary tube has how many layers? 2
The 2 layers of the external muscle are called? Inner and Outer
The inner layer of external muscle is? Circular
The outer layer of external muscle is? Longitudinal
Created by: ShanellStock2012



Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards