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Lab 5 Tissues and Skin BIO201L
Student Name: Click here to enter text.
Access Code (located on the lid of your lab kit): Click here to enter text.
Lab Report Format Expectations
Utilize college level grammar and professional formatting when completing this worksheet.
Submissions without proper formatting, all required photos or sufficient responses will be rejected.
Pre-lab Questions
1. What is a tissue?
. Tissues refer to "any distinct type of material which makes up living organisms".
2. What is the function of epithelial tissue?
Epithelial tissue performs several roles such as secretion, excretion, absorption,
filtration, protection, and sensory reception.
3. What is the function of connective tissue?
The fundamental role of the connective tissue is to act as a packing material between
tissues and to connect and bind different body tissues together.
4. What is the function of muscular tissue?
The primary role of muscular tissue is to regulate both voluntary and involuntary
motions
5. What is the function of nervous tissue?
The nervous tissue transmits electrical signals and detects stimuli to regulate and
synchronize different bodily functions.
6. Describe sebaceous glands, sweat glands, and hairs with regard to the function of the
skin.
Sebaceous glands release sebum, which keeps skin elastic and water-resistant. Sweat
glands remove waste materials such as salt and urea and aid in thermoregulation. Hair
protects the skin and aids in thermoregulation.
7. What is the function of melanin?
Melanin serves as a safeguard for the skin against the harmful effects of the sun and is
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Lab 5 Tissues and Skin BIO201L
responsible for the coloration of the skin and hair.
8. List the similarities and differences of the layers of the epidermis.
The similarities among the layers are as follows: all layers are densely packed, composed
of epithelial cells, and serve the purpose of protection and sensory reception. The
differences are as follows: The Stratum Corneum consists of dead skin cells, the Stratum
Basale layer is composed of cuboidal cells, the Stratum Lucidum has proteins that
provide a transparent appearance, making identification challenging, and the Stratum
Granulosum contains lamellar granules
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BIO201_Lab_5.docx.pdfPage
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1410/13/2026, 1:58:15 AMBIO201_Lab_5.docx(*((&#*!(*#*($$(*($(*$Y(&*&$(*)&*)((&$*^$&*&$
(&*$ **F VJyvhjbnoP+_IREOLKDJ(UWRORWUOI
(&*$ **F VJyvhjbnoP+_IREOLKDJ(
Lab 5 Tissues and Skin BIO201L
Student Name: Click here to enter text.
Access Code (located on the lid of your lab kit): Click here to enter text.
Lab Report Format Expectations
Utilize college level grammar and professional formatting when completing this worksheet.
Submissions without proper formatting, all required photos or sufficient responses will be rejected.
Pre-lab Questions
1. What is a tissue?
. Tissues refer to "any distinct type of material which makes up living organisms".
2. What is the function of epithelial tissue?
Epithelial tissue performs several roles such as secretion, excretion, absorption,
filtration, protection, and sensory reception.
3. What is the function of connective tissue?
The fundamental role of the connective tissue is to act as a packing material between
tissues and to connect and bind different body tissues together.
4. What is the function of muscular tissue?
The primary role of muscular tissue is to regulate both voluntary and involuntary
motions
5. What is the function of nervous tissue?
The nervous tissue transmits electrical signals and detects stimuli to regulate and
synchronize different bodily functions.
6. Describe sebaceous glands, sweat glands, and hairs with regard to the function of the
skin.
Sebaceous glands release sebum, which keeps skin elastic and water-resistant. Sweat
glands remove waste materials such as salt and urea and aid in thermoregulation. Hair
protects the skin and aids in thermoregulation.
7. What is the function of melanin?
Melanin serves as a safeguard for the skin against the harmful effects of the sun and is
Page 1 of 1410/13/2026, 1:58:15 AMBIO201_Lab_5.docx(*((&#*!(*#*($$(*($(*$Y(&*&$(*)&*)((&$*^$&*&$ (&*$ **F VJyvhjbnoP+_IREOLKDJ(UWRORWUOI
, Page
BIO201_Lab_5.docx.pdfPage
2 of 1410/13/2026, 1:58:15
2 ofAMBIO201_Lab_5.docx(*((&#*!(*#*($$(*($(*$Y(&*&$(*)&*)((&$*^$&*&$
1410/13/2026, 1:58:15 AMBIO201_Lab_5.docx(*((&#*!(*#*($$(*($(*$Y(&*&$(*)&*)((&$*^$&*&$
(&*$ **F VJyvhjbnoP+_IREOLKDJ(UWRORWUOI
(&*$ **F VJyvhjbnoP+_IREOLKDJ(
Lab 5 Tissues and Skin BIO201L
responsible for the coloration of the skin and hair.
8. List the similarities and differences of the layers of the epidermis.
The similarities among the layers are as follows: all layers are densely packed, composed
of epithelial cells, and serve the purpose of protection and sensory reception. The
differences are as follows: The Stratum Corneum consists of dead skin cells, the Stratum
Basale layer is composed of cuboidal cells, the Stratum Lucidum has proteins that
provide a transparent appearance, making identification challenging, and the Stratum
Granulosum contains lamellar granules
Page 2 of 1410/13/2026, 1:58:15 AMBIO201_Lab_5.docx(*((&#*!(*#*($$(*($(*$Y(&*&$(*)&*)((&$*^$&*&$ (&*$ **F VJyvhjbnoP+_IREOLKDJ(UWRORWUOI
