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Lab4_AnimalTissues - 1 INETLabReport4 AnimalTissues Student...

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1   INET Lab Report 4 Animal Tissues Student:    Email :   Date:    I. Epithelial Tissue EXERCISE 4.1  – Simple squamous epithelial tissue 2. Draw a section of squamous epithelial tissue in your lab manual. EXERCISE 4.2  – Simple cuboidal epithelial tissue 2. Draw a section of cuboidal epithelial tissue in your lab manual. EXERCISE 4.3  – Simple columnar epithelial tissue 3. Describe the structure of these epithelial cells that line the intestine. 4. Draw a section of columnar epithelial tissue in your lab manual. EXERCISE 4.4  – Stratified squamous epithelial tissue What is the function of these cells? To provide protection.  EXERCISE 4.5  – Cheek cells 5. Draw a representative squamous epithelial cell under high power in your lab manual. ©  Access Learning Systems
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2   Why are your cheek cells labeled squamous? because they offer protection Are nuclei visible in the cells? Yes Why are cheek swabs used for DNA fingerprinting? Because the layer of protection is thin so it is easy to get to the dna Using this procedure, will you be able to tell that these cells come from a Stratified squamous epithelial layer? Yes II. Connective Tissue EXERCISE 4.6  – Loose connective tissue In what areas of the body would elasticity be advantageous?   It is advantageous wherever there is epithelial tissue. It is also useful around blood vessels and nerves.  EXERCISE 4.7  – Dense, irregular connective tissue Observation only EXERCISE 4.8  – Dense, regular connective tissue Are all the fibers in a tendon oriented in the same direction?  Why is this orientation important for the function? Yes. EXERCISE 4.9  – Adipose tissue 2. Draw an area of adipose tissue in your lab manual.  Label the nucleus and vacuole.  EXERCISE 4.10  – Hyaline cartilage 3.
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