Lab 9 A: Animal Organization

Please use RED FONT and format the worksheet to accommodate the amount of space you need for each answer.

Page 164

1. What does squamous mean?
2. Examine the figure  showing simple squamous epithelium on page 164.  Describe the shapes of the cells.
3. Examine the microscope image of mammal skin in the images folder (canvas module 9).  Approximately how many cell layers are visible?
4. Which cell layers of epidermis best represent squamous epithelium?

Page 165

1. Are these cells ciliated?

Page 166

1. Recognizing that structure suits function, state a universal function for epithelial tissues.

Page 167

1. Examine the images folder for microscopic image of loose fibrous connective tissue. What is the function of loose fibrous connective tissue?
2. What two kinds of structures in the body contain dense fibrous connective tissue?

Page 168

1. Examine adipose tissue (images folder). Why is the nucleus pushed to one side?
2. State a location for adipose tissue in the body.
3. What are two functions of adipose tissue at this location?
4. What is the function of the central canal and canaliculi?

Page 169

1. Compare compact bone and hyaline cartilage. Which of these connective tissues is more organize?  Why?
2. Which of these two connective tissues lends more support to body parts?

Page 170

1. State a universal function for connective tissue.
2. Describe how each structure listed below suits its particular function.
   1. Loose fibrous connective tissue:
   1. Dense fibrous connective tissue:
   1. Adipose tissue:
   1. Compact bone:
   1. Hyaline cartilage:
   1. Blood:

Page 171

1. Examine the image of skeletal muscle (images folder). How many muscle cells are shown in the image?
2. What is the function of cardiac muscle?
3. Cardiac muscle cells are rectangular and branched. What is the benefit of this arrangement?

Page 172

1. Smooth muscle has spindle-shaped cells. What does spindle-shaped mean?
2. How does it benefit an animal that skeletal muscle is voluntary, while cardiac and smooth muscle are involuntary?

TABLE 26.3 Muscular Tissue

Type	Striations (Y or N)	Branching (Y or N)	Conscious Control (Y or N)
Skeletal
Cardiac
Smooth

Page 173

1. Explain the appearance and function of the parts of a motor neuron:
   1. Dendrites:
   1. Cell body:
   1. Axon:

Page 175

TABLE 26.4 Tissues of the Intestinal Wall

Layer of the Intestinal Wall	Mucosa	Submucosa	Muscularis	Serosa
List of tissue types found within each layer

1. (Note: The wording of the next couple of question has been changed): Describe the distinct layers of cells you would find in the epidermis.
2. Describe what structures you would find in embedded in the dermis.
3. What is the function of the subcutaneous layer, and what type of tissues are found within the layer?

Page 175 -176 LABORATORY REVIEW

1. Name the four major types of tissues and state a general function for each.
2. Describe the shapes of three types of epithelial tissue and state a function for each.
3. Describe the appearance of three types of muscular tissue and state a function for each.
4. What is meant by the expression involuntary muscle?
5. List the three parts of a neuron and state a function for each part.
6. What are certain types of connective tissue called support tissues?
7. Describe how you would recognize a slide of compact bone (describe its appearance).
8. The outer region of skin consists of stratified squamous epithelium.  Define each term:
   1. Stratified:
   1. Squamous:
   1. Epithelium:
9. Identify the tissues pictured in the lab manual (review question 9, a – d):
   1. ______________
   1. ______________
   1. ______________
   1. ______________
10. What is the shape of the cell in 9 a?