[MOD 7] Digestive and Respiratory System

Question 1

What is the digestive system involved in?

Answer 1

• Ingestion of Food
• Physical and Chemical Digestion
• Absorption of Nutrient Molecules
• Elimination of Undigested Stuff

Question 2

What are the skin folds in the upper and lower jaw?

Answer 2

Upper and lower LIP FOLDS

Question 3

A row of small teeth along the upper jaw.

Answer 3

Maxillary Teeth

Question 4

A set of teeth found on the ROOF of the mouth.

Answer 4

Vomerine Teeth

Question 5

Anterior Lateral openings that follow from the external nares and trace the canal into the roof of the mouth cavity.

Answer 5

Internal Nares

Question 6

Bulging regions at the posterior (behind) half of the top roof of the mouth.

Answer 6

Eyeball Prominences

Question 7

These openings are posterolateral to the eyeballs and medial to the angles of the jaw.

Answer 7

Eustachian Tube

Question 8

Attached to the floor of the mouth by a short pedicle.

Answer 8

Tongue

Question 9

It is found directly behind the mouth.

Answer 9

Pharynx

Question 10

From the pharynx, it is an opening of a short distensible (able to expand) tube.

Answer 10

Esophagus

Question 11

Ventral to the esophagus.

Answer 11

Laryngeal Prominence (Adam’s Apple)

Question 12

The Laryngeal Prominence contains a vertical slit-like opening called the

Answer 12

Glottis

Question 13

This anterior small cavity contains the heart

Answer 13

Pericardial Cavity

Question 14

This large posterior cavity contains the lungs and other internal organs.

Answer 14

Pleuroperitoneal Cavity

Question 15

The glistening membrane lining the body wall.

Answer 15

Parietal Peritoneum

Question 16

The parietal peritoneum can also extend to cover the intestines and other viscera. It then becomes called the?

Answer 16

Visceral Peritoneum / Serosa (same thing)

Question 17

It is an extension of the parietal peritoneum that suspends the digestive tract.

Answer 17

Mesentery

Question 18

What are the two (2) types of mesenteries?

Answer 18

Dorsal Mesentery (attaches from digestive tract to median dorsal line)

Ventral Mesentery (visually lost except in the liver and urinary bladder)

Question 19

Large, trilobed brownish organ occupying the anterior half of the pleuroperitoneal cavity

Answer 19

Liver

Question 20

The greenish, spherical sac that stores bile secreted by the liver.

Answer 20

Gallbladder

Question 21

What are the ducts that carry bile to the duodenum?

Answer 21

Hepatic Ducts (from Liver)
Cystic Ducts (from Gallbladder)
Combined are called the
Common Bile Duct

Question 22

Sac-like organ with three (3) regions. Found dorsal (behind) from the liver.

Answer 22

Stomach

Question 23

What part of the dorsal mesentery supports the stomach?

Answer 23

Mesogaster

Question 24

Region of the stomach closest to the esophagus.

Answer 24

Cardiac Region

Question 25

Region of the stomach that bulges anteriorly.

Answer 25

Fundus

Question 26

Region of the stomach that leads to the small intestine posteriorly.

Answer 26

Pyloric Region

Question 27

Longitudinal folds in the inner wall of the stomach.

Answer 27

Rugae

Question 28

A round, dense body found behind the stomach in the mesogaster that has no digestive function.

Answer 28

Spleen

Question 29

Abrupt angle to the right that connects the stomach to the small intestines.

Answer 29

Duodenum

Question 30

Yellowish gland found between the pylorus and duodenum. It provides digestive enzymes and bicarbonates into the small intenstine.

Answer 30

Pancreas

Question 31

Tightly coiled region of the small intestine going posteriorly to the large intestine.

Answer 31

Ileum

Question 32

Part of the dorsal mesentery supporting the small intestine.

Answer 32

Mesentery proper

Question 33

Part of the dorsal mesentery supporting the large intestine.

Answer 33

Mesorectum

Question 34

The large intestine leads into the rectum, which exits via the?

Answer 34

CLOACAAAAAA

Question 35

What do you call the exchange of gases?

Answer 35

Respiration

Question 36

Two (2) stages of respiration.

Answer 36

External Respiration (exchange between environment and organs) Internal Respiration (exchange within body fluids and tissue cells)

Question 37

Cavity which the glottis opens downward into.

Answer 37

Larynx (voicebox)

Question 38

Cartilages that support the larynx.

Answer 38

Arytenoid Cartilages (Anterior) Cricoid Cartilages (Posterior)

Question 39

Elastic bands found in the larynx.

Answer 39

Vocal cords

Question 40

The extremely short tube that connects the larynx to the lungs.

Answer 40

Bronchus

Question 41

Small air pockets that line the lungs. It is where gas exchange takes place.

Answer 41

Alveoli