The Digestive System Prt 1

Question 1

What is the Function of the digestive System?

Answer 1

It will convert food into nutrient compounds that the body cells can use as fuel or energy.

Question 2

What does the digestive system Consist of?

Answer 2

Consists of a tube that runs from the mouth to the anus of the animal.

Question 3

Which organs are attached to the digestive tube?

Answer 3

• Accessory digestive organs

Question 4

How does the digestive system work?

Answer 4

• Food is broken down through digestion.

Question 5

What form of compounds gets Broken Down by the digestive system?

Answer 5

• Smaller
• Simpler

Question 6

Where does the Simpler Compounds pass in order to distribute nutrients to blood cells from the bloodstream?

Answer 6

Needs to pass through the walls to get to the bloodstream to distribute.

Question 7

What are the 2 types of Digestive Systems (examples)?

Answer 7

• Monogastrics (dogs, pigs, horses, cats etc).
• Ruminants (beef cattle, dairy cattle, sheep, goats, etc).

Question 8

What Consists of the digestive system?

Answer 8

• Mouth
• Pharynx
• Esophagus
• Stomach
• Small intestine
• Large intestine
• Accessory organs

Question 9

What is within the Small Intestine?

Answer 9

• Duodenum
• Jejunum
• Ileum

Question 10

What is within the Large Intestine?

Answer 10

• Cecum
• Colon
• Rectum
• Anus

Question 11

What is within the Accessory Organs?

Answer 11

• Liver
• Gallbladder
• Pancreas
• Salivary glands

Question 12

What occurs in the Mouth during digestion?

Answer 12

The mastication or chewing, where food is mixed with saliva to prepare for swallowing.

Question 13

What are the 4 Teeth that are Arranged into upper and lower arcades?

Answer 13

• Incisors (I)
• Canines (C)
• Premolars (PM)
• Molars (M)

Question 14

Where are the Incisors located?

Answer 14

• Most rostral (towards the nose).

Question 15

Where are the Canines located?

Answer 15

• Rostral lateral corners of the mouth.

Question 16

Where are the Premolars located?

Answer 16

• Rostral cheek teeth

Question 17

Where are the Molars located?

Answer 17

• Caudal cheek teeth

Question 18

What 3 kinds of connective tissue is a tooth composed of?

Answer 18

• Enamel
• Dentin
• Cementum

Question 19

What is the Upper Fourth premolar and Lower first molar Referred to as (Dogs)?

Answer 19

• Carnassial teeth

Question 20

What is the Upper third and Lower first molar Referred to as (Cats)?

Answer 20

• Carnassial teeth

Question 21

When does food actually gets swallowed?

Answer 21

• Food has been cut.
• Grounded by teeth.
• Moistened with saliva.

Question 22

What do the Muscular movements of the Tongue and Pharynx do?

Answer 22

• Moves the food bolus back through the pharynx.
• To the opening of the esophagus.

Question 23

When does it Start the Journey to the Stomach?

Answer 23

Once the food bolus is at the opening of the esophagus.

Question 24

What is a Muscular Tube that connects the Pharynx with the Stomach.

Answer 24

The Esophagus.

Question 25

How does food passes through the Esophagus, which direction?

Answer 25

- Through peristaltic contractions. - Travels caudally.

Question 26

What Regulates the Size of the Opening of the esophagus into the stomach?

Answer 26

- Cardiac sphincter

Question 27

What is the enlarged chamber in which swallowed food is mized with hydrochloric acid and digestive enzymes called?

Answer 27

- The Stomach

Question 28

What does the stomach mainly do?

Answer 28

- Mixes food with acid and enzymes to begin digestion.

Question 29

What does the food exits the stomach and then enters the small intestine and gets converted into a semiliqued homogenous material called?

Answer 29

- Chyme

Question 30

What are the 4 Chambers in the Ruminant Stomach?

Answer 30

- Reticulum - Rumen - Omasum - Abomasum