Lab 10
Dissection of the Respiratory System of the Cat Dissection Exercise 6
Dissection - Respiratory System Dissection
Activity 1: Identifying Organs of the Respiratory System
Activity 2: Observing Lung Tissue Microscopically
Anatomy of the Digestive System
Exercise 38
Dissection of the Digestive Anatomy of the Cat Dissection Exercise 7
Chemical and Physical Processes of Digestion
Exercise 39 A
Anatomy of the Digestive System
Activity 1: Identifying Alimentary Canal Organs
Activity 2: Studying the Histological Structure of Selected Digestive
System Organs, 2 (gastroesophageal junction slide)
Activity 3: Observing the Histological Structure of the Small Intestine, 2
(use ileum slide with Peyer's Patches)
Activity 8: Examining the Histology of the Liver (use pig's liver slide)
Identify central vein and hepatocytes
Examine the slide of the pancreas and identify acinar cells.
Dissection – Cat Digestive System.
Activity 1: Identifying Alimentary Canal Organs 1, 2, 3, 4, 5, 6, 7, and 8
Physical Processes of Digestion
Activity 5:Observing Movements and Sounds of Digestion 1. (water and
cup only), 2 You may do this at home.
Name____________________________
Lab Section ________________
Dissection Questions – Respiratory and Digestive Systems
1. Are the cartilage rings of the human trachea complete or incomplete? ____________
2. Are the cartilage rings of the cat trachea complete or incomplete? ____________
3. Describe the location of the epiglottis and the vocal cords.
4.. Describe the appearance of the end of the trachea and the bronchial tree in the cat lung
after you have pushed away the lung tissue from the cartilage.
5. Describe the appearance of cat lung tissue as seen under the dissecting microscope.
Relate your observations under the microscope to what you know about alveolar
structure.
6. Differentiate between the hepatic duct and the cystic duct. 2 points
7. Where does the bile duct enter the duodenum?
8. Differentiate between mesentery and mesocolon. 2 points
9. a. How does the appearance of the villi differ in the duodenum and ileum? 2 points
b. How does the difference relate to function?
10. Does the cat have an appendix? ________
Review Sheet
B
A
C
L
D
E
K
J
I
F
G
H
1. a. Match the labels on the figure with the terms below.
___ Anus
___ Pancreas
___ Esophagus
___ Rectum
___ Gall bladder
___ Salivary glands
___ Large intestine
___ Small intestine
___ Liver
___ Stomach
___ Mouth
___ Tongue
b. Which of the structures in this list (1 a.) are considered accessory organs?
________________________
________________________
________________________
________________________
________________________
B
C
A
I
D
E
H
G
F
2. Match the labels on the figure with the terms below.
___ Body
___ Muscularis externa
___ Cardia
___ Pyloric sphincter
___ Duodenum
___ Pylorus
___ Esophagus
___ Rugae
___ Fundus
3. a. What is the function of the stomach in mechanical digestion?
b. How is the muscularis externa of the stomach modified to allow it to carry out this
function?
4. a. Label the esophagus and the stomach.
Print the labels in the right margin at
the ends of the leader lines.
b. What type of epithelium lines the
esophagus?
___________________________
c. What type of epithelium lines the
stomach?
___________________________
d. How does the abrupt change in epithelium type relate to the function of each
structure?
5. Differentiate between the colon and the large intestine.
6. Indicate whether the secretion of each of the following salivary glands is mainly
serous, mainly mucous, or both.
Parotid
mainly serous
mainly mucous
both
Sublingual
mainly serous
mainly mucous
both
Submandibular
mainly serous
mainly mucous
both
A
E
D
F
B
C
7. Match the labels on the 3 figures with the terms below.
___ Capillary bed
___ Lumen
___ Circular fold
___ Microvilli
___ Lacteal
___ Villi
D
8. Absorption is one major function of the small intestine. List 4 modifications of the
structure of the small intestine that help it carry out that function.
a. __________________________________
b. __________________________________
c. __________________________________
d. __________________________________
9. What is the role of the gall bladder?
10. a. Which cells of the pancreas are endocrine gland cells? ______________________
b. What is their function?
c. Which cells of the pancreas are exocrine gland cells? ______________________
d. What is their function?
e. Draw a figure of the pancreas slide. Label islets of Langerhans and acinar cells.
Print and use a ruler. Use the 40X lens.
A
E
D
C
B
10. Label from figure:
___ Central vein
___ Hepatocytes
___ Interlobular veins (to
hepatic vein)
___ Lining of sinusoids
___ Portal triad
11. Draw an example of what you observed on the liver slide. Label central vein and
hepatocytes. Print and use a ruler.
12. Record observations of tongue movement while swallowing. __________________
_______________________________________________________________________
_______________________________________________________________________
13. Record observations of the movement of the larynx during swallowing.
_______________________________________________________________________
_______________________________________________________________________
What do these movements accomplish? ______________________________________
Name ________________________________________________
Pre-lab Activity – Urinary System
1. The urinary system’s primary role is to remove_________wastes from the body
(circle one) carbon-containing
nitrogenous
.
2. The ___________ perform(s) the excretory and homeostatic functions of the urinary
system.
a. kidneys
b. ureters
c. urinary bladder
d. all three
3. The triangular regions in the medulla of the kidney are called ________________ .
4. The filtrate is formed from the capillaries called the _________________ .
5. Reabsorption of the filtrate is through the ___________________ capillaries.
6. The glomerular capillary bed is drained by the ____________ arteriole.
7. The part of the nephron that extends deep into the medulla is the _________________
8. Filtrate is carried to the renal pelvis by the _________________ .
9. Distinguish between the urethra and the ureter. (2 points)