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A. Primary Tissue Structure and Function Name the primary tissue type (epithelia

ID: 166087 • Letter: A

Question

A. Primary Tissue Structure and Function

Name the primary tissue type (epithelial, connective, muscle, or nervous) that is described.

__________ 1.

Cells contain processes that receive and generate electrical signals to communicate with other cells.

__________ 2.

Tissue has elongated cells that shorten and cause movement.

__________ 3.

Tissue contains more extracellular matrix than cells.

__________ 4.

Cells either form a barrier that controls passage of molecules or form glands.

___________ 11.

The extracellular matrix determines function of this primary tissue.

Identify the primary tissue types in Figure 6.29.

FIGURE 6.29: Photomicrographs of primary tissues.

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13.

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14.

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15.

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B. Epithelial Tissues

Write the name of the epithelial tissue type that matches each description. An epithelial tissue type may be used more than once.

_______________ 1.

Lines the mouth and protects underlying tissues in areas subject to abrasion.

_______________ 2.

Located in the alveoli (the air sacs of the lung) and provides a short distance for the diffusion of oxygen and carbon dioxide.

_______________ 3.

Forms kidney tubules and is involved in absorption and secretion.

_______________ 4.

Lines the nasal cavities and moves substances over the epithelial surfaces.

_______________ 5.

Forms the mesothelium of the peritoneum and secretes serous fluid into the peritoneal cavity.

_______________ 6.

Lines the stomach and its microvilli; increases surface area for absorption and secretion.

_______________ 7.

Lines the bladder and ureter and is distensible.

C. Connective Tissues

Write the name of the connective tissue type that matches each description. A connective tissue can be used more than once.

_______________ 1.

Contains elastic fibers and is found in the lungs. This tissue allows the lungs to inflate during inhalation and return to their original shape after exhaling.

_______________ 2.

Packed with parallel bundles of collagen fibers and found in tendons. This tissue resists pulling forces applied by muscles.

_______________ 3.

Has a firm, gelatinous ground substance containing collagen fibers. This tissue is found in the tracheal wall to support and prevent the trachea from collapsing.

_______________ 4.

Found under covering and lining epithelium. Its extracellular matrix contains a loose arrangement of fibers, and its viscous ground substance facilitates the flow of interstitial fluid containing nutrients to epithelial tissues. It also cushions and supports epithelia.

_______________ 5.

Contains many elastic fibers in a firm gelatinous ground substance. Located in external ear, auditory tube, and epiglottis.

_______________ 6.

Hard extracellular matrix forms trabeculae.

_______________ 7.

Forms a framework in the spleen, bone marrow, and lymph nodes. It contains fine, branching fibers.

_______________ 8.

Is packed with bundles of collagen fibers running in different directions. It is found in skin and allows skin to resist pulling forces from many different directions.

_______________ 9.

Fluid extracellular matrix used to transport substances throughout the body.

_______________ 10.

Contains a large number of lipid-storing cells. It is found throughout the body, cushions and insulates organs, and stores lipids for future energy needs.

_______________ 11.

Hard extracellular matrix containing osteons; involved in protection and support.

_______________ 12.

Firm gelatinous ground substance packed with bundles of collagen fibers. This tissue is found in intervertebral discs, pubic symphysis, and knee meniscus.

_______________ 24.

Fibers not present unless injury occurs. Extracellular matrix not produced by cells present in this tissue.

D. Muscle and Nervous Tissue

Write the name of the tissue that matches each function. For muscle tissue, write the name of the muscle tissue type.

_______________ 1.

Movement of urine through the urinary tract

_______________ 2.

Movement of bone and/or skin

_______________ 3.

Movement of blood through the heart and into arteries

_______________ 4.

Receives and sends information

_______________ 5.

Movement of food through the digestive tract

_______________ 6.

Controls blood flow through arteries and veins and controls blood pressure

E. Epithelial and Connective Tissue Identification

Identify the epithelia and connective tissues types in Figure 6.30

1.

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2.

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3.

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4.

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5.

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6.

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7.

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8.

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9.

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10.

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11.

_________________________

12.

_________________________

13.

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14.

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15.

_________________________

16.

_________________________

17.

_________________________

18.

_________________________

FIGURE 6.30:Identification of epithelial and connective tissue types.

FIGURE 6.30:Identification of epithelial and connective tissue types, continued.

F. Muscle and Nervous Tissue Identification

Identify the muscle tissue types and the nervous tissue in Figure 6.31.

1.

_________________________

2.

_________________________

3.

_________________________

4.

_________________________

FIGURE 6.31:Muscle and nervous tissue identification.

EXERCISE 6: Using Your Knowledge

Name ____________________

Date _______________

Section ____________________

A. Genetic Diseases and Tissue Function

Each of the following diseases is due to a gene mutation and the production of an abnormal protein. Look up the diseases in your textbook or other resource. For each disease identify the abnormal protein and state how the abnormal protein affects the function of the tissue.

Cystic Fibrosis and Epithelial Tissue

1.

Abnormal protein:

2.

The effect of the abnormal protein on tissue function:

Duchenne Muscular Dystrophy and Skeletal Muscle Tissue

3.

Abnormal protein:

4.

The effect of the abnormal protein on tissue function:

B. Nutritional Deficiencies and Tissue Function

Nutritional deficiencies interfere with cell metabolism and tissue structure. Look up scurvy in your textbook or other resource and name the nutritional deficiency that causes scurvy and describe the change in extracellular matrix and how this causes the symptoms of scurvy.

Scurvy and Connective Tissue

5.

Nutritional deficiency:

6.

Extracellular matrix changes and symptoms:

C. Tissues Forming Organs

Name the tissue types that form the wall of each organ in questions 7–10. Use your textbook as a reference and list the tissues in order from lumen to outer surface.

7.

esophagus: ________________________________________________________________

___________________________________________________________________________________

8.

small intestine (within peritoneal cavity): ___________________________________

_______________________________________________________________________________

9.

trachea: __________________________________________________________________________

_______________________________________________________________________________

10.

ureter: __________________________________________________________________________

_______________________________________________________________________________

Name ____________________

Date _______________

Section ____________________

Explanation / Answer

A. Primary Tissue Structure and Function

1. Cells contain processes that receive and generate electrical signals to communicate with other cells. nervous tissue.

2. Tissue has elongated cells that shorten and cause movement.muscle tissue

3. Tissue contains more extracellular matrix than cells. connective tissue

4. Cells either form a barrier that controls the passage of molecules or form glands.epithelial tissue

11. The extracellular matrix determines function of this primary tissue. connective tissue

B. Epithelial Tissues

1. Lines the mouth and protects underlying tissues in areas subject to abrasion. stratified squamous

2. Located in the alveoli (the air sacs of the lung) and provides a short distance for the diffusion of oxygen and carbon dioxide. simple squamous epithelium

3. Forms kidney tubules and is involved in absorption and secretion. simple cuboidal columnar epithelium

4. Lines the nasal cavities and moves substances over the epithelial surfaces. pseudostratified columnar epithelium

5. Forms the mesothelium of the peritoneum and secretes serous fluid into the peritoneal cavity. simple squamous epithelium

6. Lines the stomach and its microvilli; increases surface area for absorption and secretion. non-ciliated simple columnar epithelium

7. Lines the bladder and ureter and is distensible. transitional epithelium

C. Connective Tissues

1. Contains elastic fibers and is found in the lungs. This tissue allows the lungs to inflate during inhalation and return to their original shape after exhaling. elastic connective tissue

2. Packed with parallel bundles of collagen fibers and found in tendons. This tissue resists pulling forces applied by muscles. dense regular

3. Has a firm, gelatinous ground substance containing collagen fibers. This tissue is found in the tracheal wall to support and prevent the trachea from collapsing. hyaline cartilage

4. Found under covering and lining epithelium. Its extracellular matrix contains a loose arrangement of fibers, and its viscous ground substance facilitates the flow of interstitial fluid containing nutrients to epithelial tissues. It also cushions and supports epithelia. areolar

5. Contains many elastic fibers in a firm gelatinous ground substance. Located in external ear, auditory tube, and epiglottis. elastic cartilage

6. Hard extracellular matrix forms trabeculae. spongy bone

7. Forms a framework in the spleen, bone marrow, and lymph nodes. It contains fine, branching fibers. reticular connective tissue

8. Is packed with bundles of collagen fibers running in different directions. It is found in skin and allows skin to resist pulling forces from many different directions. dense irregular connective tissue

9. Fluid extracellular matrix used to transport substances throughout the body. blood connective tissue

10. Contains a large number of lipid-storing cells. It is found throughout the body, cushions and insulates organs, and stores lipids for future energy needs. adipose tissue

11. Hard extracellular matrix containing osteons; involved in protection and support. compact bone

12. Firm gelatinous ground substance packed with bundles of collagen fibers. This tissue is found in intervertebral discs, pubic symphysis, and knee meniscus. fibrocartilage

24. Fibers not present unless injury occurs. Extracellular matrix not produced by cells present in this tissue. plasma

D. Muscle and Nervous Tissue

1. Movement of urine through the urinary tract. smooth muscle

2. Movement of bone and/or skin. skeletal muscle

3. Movement of blood through the heart and into arteries. cardiac muscle

4. Receives and sends information. neurons

5. Movement of food through the digestive tract. smooth muscle

6. Controls blood flow through arteries and veins and controls blood pressure. smooth muscle

A. Genetic Diseases and Tissue Function

Cystic Fibrosis and Epithelial Tissue

1. Abnormal protein: CFTR (Cystic fibrosis transmembrane regulator)

2. The effect of the abnormal protein on tissue function: production of thick and sticky mucous from various body parts.

Duchenne Muscular Dystrophy and Skeletal Muscle Tissue

3. Abnormal protein: absence of muscle protein dystrophin

4. The effect of the abnormal protein on tissue function: muscle weakness can easily damage.

B. Nutritional Deficiencies and Tissue Function

Scurvy and Connective Tissue

5. Nutritional deficiency: Vitamin C

6. Extracellular matrix changes and symptoms: bleeding gums, loose teeth, delay in wound healing

C. Tissues Forming Organs

7. esophagus: stratified squamous epithelium

8. small intestine (within peritoneal cavity): columnar epithelium, mucosa present within peritoneal cavity.

9. trachea: ciliated columnar epithelium

10.ureter: fibrous connective tissue