Questions: Tissue Structure and Function: General Review 1. Define tissue: 2. Use the key to identify the major tissue types described below. Key: connective epithelial muscle nervous 1. lines body cavities and covers the body's external surface 2. pumps blood, flushes urine out of the body, allows one to swing a bat 3. transmits electrical signals 4. anchors and packages body organs 5. cells may absorb, protect, or form a filtering membrane 6. forms nerves and the brain 7. major function is to contract 8. the most widespread tissue in the body Epithelial Tissue 3. How are epithelial tissues classified? 4. How is the function of an epithelium reflected in its arrangement? 5. Using the key, choose the type of epithelial tissue that best fits each description. Key: pseudostratified ciliated columnar simple columnar simple cuboidal simple squamous 1. best suited for areas subject to friction 2. most suited for rapid diffusion 3. tubules of the kidney 4. lines much of the respiratory tract 5. stretches 6. lines the small and large intestines stratified squamous transitional

Tissue Structure and Function: General Review
1. Define tissue: 

2. Use the key to identify the major tissue types described below.

Key: connective
epithelial
muscle
nervous 
1. lines body cavities and covers the body's external surface 
2. pumps blood, flushes urine out of the body, allows one to swing a bat 
3. transmits electrical signals 
4. anchors and packages body organs 
5. cells may absorb, protect, or form a filtering membrane 
6. forms nerves and the brain 
7. major function is to contract 
8. the most widespread tissue in the body

Epithelial Tissue
3. How are epithelial tissues classified? 

4. How is the function of an epithelium reflected in its arrangement? 


5. Using the key, choose the type of epithelial tissue that best fits each description.

Key: pseudostratified ciliated columnar simple columnar 
simple cuboidal simple squamous
1. best suited for areas subject to friction
2. most suited for rapid diffusion 
3. tubules of the kidney
4. lines much of the respiratory tract 
5. stretches 
6. lines the small and large intestines stratified squamous transitional
Transcript text: Tissue Structure and Function: General Review 1. Define tissue: $\qquad$ $\qquad$ 2. Use the key to identify the major tissue types described below. Key: connective epithelial muscle nervous $\qquad$ 1. lines body cavities and covers the body's external surface $\qquad$ 2. pumps blood, flushes urine out of the body, allows one to swing a bat $\qquad$ 3. transmits electrical signals $\qquad$ 4. anchors and packages body organs $\qquad$ 5. cells may absorb, protect, or form a filtering membrane $\qquad$ 6. forms nerves and the brain $\qquad$ 7. major function is to contract $\qquad$ 8. the most widespread tissue in the body Epithelial Tissue 3. How are epithelial tissues classified? $\qquad$ $\qquad$ 4. How is the function of an epithelium reflected in its arrangement? $\qquad$ $\qquad$ $\qquad$ 5. Using the key, choose the type of epithelial tissue that best fits each description. Key: pseudostratified ciliated columnar simple columnar $\qquad$ $\qquad$ $\qquad$ simple cuboidal simple squamous 1. best suited for areas subject to friction 2. most suited for rapid diffusion $\qquad$ 3. tubules of the kidney 4. lines much of the respiratory tract $\qquad$ 5. stretches $\qquad$ 6. lines the small and large intestines stratified squamous transitional
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Tissue Structure and Function: General Review
1. Define tissue:

Tissue is a group of similar cells that work together to perform a specific function in the body.

2. Use the key to identify the major tissue types described below.

Key:

  • connective
  • epithelial
  • muscle
  • nervous
  1. lines body cavities and covers the body's external surface: epithelial

    • Epithelial tissue forms the lining of body cavities and covers the external surface of the body.
  2. pumps blood, flushes urine out of the body, allows one to swing a bat: muscle

    • Muscle tissue is responsible for movement, including the pumping of blood by the heart, the expulsion of urine, and voluntary movements like swinging a bat.
  3. transmits electrical signals: nervous

    • Nervous tissue is specialized for the transmission of electrical signals throughout the body.
  4. anchors and packages body organs: connective

    • Connective tissue supports, anchors, and packages body organs.
  5. cells may absorb, protect, or form a filtering membrane: epithelial

    • Epithelial cells have various functions including absorption, protection, and filtration.
  6. forms nerves and the brain: nervous

    • Nervous tissue forms the brain, spinal cord, and nerves.
  7. major function is to contract: muscle

    • The primary function of muscle tissue is contraction, which facilitates movement.
  8. the most widespread tissue in the body: connective

    • Connective tissue is the most abundant and widely distributed tissue type in the body.
Epithelial Tissue
3. How are epithelial tissues classified?

Epithelial tissues are classified based on the number of cell layers and the shape of the cells. The classifications include:

  • Simple epithelium: a single layer of cells.
  • Stratified epithelium: multiple layers of cells.
  • Squamous cells: flat and scale-like.
  • Cuboidal cells: cube-shaped.
  • Columnar cells: tall and column-like.
4. How is the function of an epithelium reflected in its arrangement?

The function of an epithelium is closely related to its arrangement:

  • Simple epithelium: typically involved in absorption, secretion, and filtration due to its single layer of cells, which allows for easy passage of materials.
  • Stratified epithelium: provides protection against abrasion and friction, as multiple layers of cells offer a more robust barrier.
  • Cell shape:
    • Squamous: thin and flat cells facilitate diffusion and filtration.
    • Cuboidal and columnar: thicker cells are often involved in secretion and absorption.
5. Using the key, choose the type of epithelial tissue that best fits each description.

Key:

  • pseudostratified ciliated columnar
  • simple columnar
  • simple cuboidal
  • simple squamous
  • stratified squamous
  • transitional
  1. best suited for areas subject to friction: stratified squamous

    • Stratified squamous epithelium is designed to protect underlying tissues in areas subject to abrasion.
  2. most suited for rapid diffusion: simple squamous

    • Simple squamous epithelium is thin and allows for efficient diffusion of gases and small molecules.
  3. tubules of the kidney: simple cuboidal

    • Simple cuboidal epithelium is found in the tubules of the kidney where it functions in secretion and absorption.
  4. lines much of the respiratory tract: pseudostratified ciliated columnar

    • Pseudostratified ciliated columnar epithelium lines the respiratory tract and helps in trapping and moving particles out of the airways.
  5. stretches: transitional

    • Transitional epithelium is specialized to stretch and is found in the urinary bladder.
  6. lines the small and large intestines: simple columnar

    • Simple columnar epithelium lines the small and large intestines and is involved in absorption and secretion.
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