Digestive Systems

Question 1

Digestive System

Answer 1

The organs that take in food and liquids and break them down into substances that the body can use for energy

Question 2

Esophagus

Answer 2

Connects the mouth to the stomach. Organ that food travels.

Question 3

Pharynx

Answer 3

A hallow muscular tube inside the neck. Acts as a passageway for air into the lungs and for food into the esophagus.

Question 4

Simple Stomach

Answer 4

A single chamber lined by muscular folds. EX: Pig, Human

Question 5

Ruminant Stomach

Answer 5

A four compartment stomach consisting of the Omasum, Abomasum, Rumen, and Reticulum.

Question 6

Rumen

Answer 6

1st stomach, the storage area.

Question 7

Reticulum

Answer 7

The hard-ware stomach, keeps foreign objects from entering the stomach.

Question 8

Omasum

Answer 8

Absorbs juices from the food (mostly water).

Question 9

Abomasum

Answer 9

The true stomach, it breaks down the food with acids.

Question 10

Small Intestine

Answer 10

Connects the stomach to the large intestine, moves food through muscle contractions (peristaltic movement), absorbs nutrients, and contains bile and pancreatic juices.

Question 11

Large intestine

Answer 11

Includes the cecum, colon, and rectum. Absorbs water and this is where residue solidifies before excretion.

Question 12

cecum

Answer 12

Sac at the junction of the small and large intestine. Furthers the breakdown process.

Question 13

Gizzard

Answer 13

Located after proventriculus, very muscular, used to grind food.

Question 14

Proventriculus

Answer 14

Same as monogastric stomach and provides digestive excretions.

Question 15

Cloaca

Answer 15

Chamber into which urinary and genital canals open

Question 16

Ceca

Answer 16

Aids in fiber digestion and absorption

Question 17

Crop

Answer 17

Stores and moistens food.

Question 18

Simple Stomach EX

Answer 18

Pig, Human, Rabbit, Horse.

Question 19

Complex Stomach EX

Answer 19

Sheep, Goats, Cattle

Question 20

Modified Simple Stomach

Answer 20

Non-ruminant animals that consume and digest feeds high in fiber.

Question 21

Ruminant

Answer 21

An animal that has multiple stomachs and regurgitates.

Question 22

Mouth of a simple stomach

Answer 22

Has upper incisors, chews and salivates food, contains enzymes in the saliva.

Question 24

3 enzymes in the simple stomach

Answer 24

Gastric, liver and pancreatic, and Intestinal.

Question 25

Gastric Enzyme

Answer 25

Breaks down proteins in the stomach.

Question 26

Liver and pancreatic enzyme

Answer 26

Breaks down fats in small intestine.

Question 27

Intestinal enzyme

Answer 27

Breaks down carbs and proteins in small intestine.

Question 28

Pancreas

Answer 28

Produces enzymes that help to digest food, particularly protein.

Question 29

Liver

Answer 29

Secrets bile which digests fats

Question 30

Rectum

Answer 30

Poop holding area

Question 31

Colon

Answer 31

Removes water and some nutrients

Question 32

Describe a horses mouth

Answer 32

Intact top and bottom incisors, no digestive enzymes in saliva, and molars adapted to chewing fiber.

Question 33

Order of the ruminant stomach

Answer 33

1. Rumen 2. Reticulum 3. Omasum 4. Abomasum

Question 34

Types of acids used in the monogastric stomach

Answer 34

Hydrochloric acid, and enzymes

Question 35

Define rumination

Answer 35

Regurgitation and chewing cud.

Question 36

How is the monogastric stomach different from the ruminant stomach

Answer 36

Single stomach animal that is not good at breaking down fiber.

Question 37

Define digestion

Answer 37

The process of breaking down food into nutrients that the body can then absorb

Question 38

What types of structures make up the abomasum

Answer 38

-The larger part: fundus and body. -The smaller part: pyloric portion

Question 39

Give two animals that have a simple stomach

Answer 39

Human, Pig

Question 40

Give four examples of animals with a ruminant stomach

Answer 40

Deer, cow, sheep, goat

Question 41

Describe the mouth of a ruminant

Answer 41

-No upper incisors, it is a hard palate -No enzymes in saliva -Has molars to grind vegetation.

Question 42

Why is a horse's stomach different?

Answer 42

It has an enlarged Cecum

Question 43

Another animal (besides a horse) with a modified simple stomach?

Answer 43

Rabbit

Question 44

Functions of the proventriculus?

Answer 44

Same as monogastric stomach and provides digestive excretions.