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Skin
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Access Code (located on the lid of your lab kit):
Lab Report Format Expectations
Utilize college level grammar and professional formaṄng when completing this worksheet.
Submissions without proper formaṄng, all required photos or sufficient responses will be rejected.
Pre-lab Questions
1. What is a tissue?
A group of cells that have similar structure and function together as one.
2. What is the function of epithelial tissue?
Serves as protection, secretion, absorption, excretion, filtration, and sensory reception.
They act as bariers, linings, and coverings, playing a crucial role in maintaining
homeostasis.
3. What is the function of connective tissue?
Connective tissue provides support, connects, and binds other tissues and organs in the
body. It protects organs, sotres fat, transports waste and nutrients, and aids in tissue
repair.
4. What is the function of muscular tissue?
Primary function is contraction and enabling movement in the body and organs. It is
essential for locomotion, mainting posture, breathing, digestion, cirtulation, and
generating body heat.
5. What is the function of nervous tissue?
Communication network, receiving stimuli, transmitting electricals, and coordinating
responses. Nervous tissue facilitates sensation, movement, and various body functions.
6. Describe sebaceous glands, sweat glands, and hairs with regard to the function of
the skin.
Sebaceous glands produce sebum, used for lubrication and waterproofs the skin. Sweat
glands secrete sweat that cools the body and eliminates waste through sweat. Hairs
protect the skin, assists in temperature regulation, and enhances sensory perception.
, Lab 5 Tissues and BIO201
L
Skin
7. What is the function of melanin?
Melanin provides pigmentation to skin, har, and eyes. It also helps protect against UV
rays.
8. List the similarities and differences of the layers of the epidermis.
All layers are composed of keratinocytes, contribute to the epidermal barier protecting
against eternal elements and microorganisms, and all are involved in skin turnover
though at different rates. Loaction of where they are found within the skin is also a
difference as the function of each layer.