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BIOL 320 TAYLOR EXAM 2 2025 QUESTIONS AND ANSWERS

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Function of lymphatic system - ANS - collect and filter tissue fluid from capillaries and return it to circulation - Serves as a way to move white blood cells around Tunica Intima - ANS Inner layer of Artery/Vein Endothelium Subendothelial layer Internal Elastic Lamina (Artery Only) Tunica Media - ANS - Smooth muscle and elastic fibers - External elastic lamina (Artery Only) Tunica Externa - ANS - Collagen fibers - Protection of vessels - vasa vasorum Vasa vasorum - ANS Tiny blood vessels that supply the walls of large arteries and veins Elastic artery tissue makeup - ANS - Primary smooth muscle - Elastic tissue Muscular Artery tissue makeup - ANS - Smooth muscle BIOL 320 TAYLOR EXAM 2 2025 QUESTIONS AND ANSWERS Copyright ©2025 BRIGHTSTARS ALL RIGHTS RESERVED 2 - fibrous (Collagnous) Tissue Arteriole tissue makeup - ANS - Smooth muscle mostly Capillary tissue makeup - ANS - Endothelium only Venule tissue makeup - ANS - Endothelium - Smooth muscle - Fibrous Tissue Vein tissue makeup - ANS - mostly fibrous (Collagenous) tissue and smooth muscle Elastic artery physical characteristics serve to - ANS - Smooth out shock and even out flow - They take pounding pulse of heartbeat and rebound back, resulting in consistent flow - Does NOT Vasoconstrict Muscular Artery characteristics - ANS - Vasoconstrict to limit flow to inactive areas/tissues - Responds to epinephrine - Analogy of flushing toilet and person taking shower gets a rush of hot water Arteriole characteristics - ANS - Connect muscular arteries to capillary beds - Vasoconstrict to further limit flow - DO NOT cover great distances Capillary Beds Purpose - ANS - Serve as a passage of nutrients, gases, waste, hormones, etc. - Arteries to veins Precapillary Sphincters

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BIOL 320

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BIOL 320

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BIOL 320 TAYLOR EXAM 2 2025
QUESTIONS AND ANSWERS

Function of lymphatic system - ANS - collect and filter tissue fluid from capillaries and return
it to circulation
- Serves as a way to move white blood cells around

Tunica Intima - ANS Inner layer of Artery/Vein
Endothelium
Subendothelial layer
Internal Elastic Lamina (Artery Only)

Tunica Media - ANS - Smooth muscle and elastic fibers
- External elastic lamina (Artery Only)

Tunica Externa - ANS - Collagen fibers
- Protection of vessels
- vasa vasorum

Vasa vasorum - ANS Tiny blood vessels that supply the walls of large arteries and veins

Elastic artery tissue makeup - ANS - Primary smooth muscle
- Elastic tissue

Muscular Artery tissue makeup - ANS - Smooth muscle

Copyright ©2025 BRIGHTSTARS ALL RIGHTS RESERVED 1

, - fibrous (Collagnous) Tissue

Arteriole tissue makeup - ANS - Smooth muscle mostly

Capillary tissue makeup - ANS - Endothelium only

Venule tissue makeup - ANS - Endothelium
- Smooth muscle
- Fibrous Tissue

Vein tissue makeup - ANS - mostly fibrous (Collagenous) tissue and smooth muscle

Elastic artery physical characteristics serve to - ANS - Smooth out shock and even out flow
- They take pounding pulse of heartbeat and rebound back, resulting in consistent flow
- Does NOT Vasoconstrict

Muscular Artery characteristics - ANS - Vasoconstrict to limit flow to inactive areas/tissues
- Responds to epinephrine
- Analogy of flushing toilet and person taking shower gets a rush of hot water

Arteriole characteristics - ANS - Connect muscular arteries to capillary beds
- Vasoconstrict to further limit flow
- DO NOT cover great distances

Capillary Beds Purpose - ANS - Serve as a passage of nutrients, gases, waste, hormones, etc.
- Arteries to veins

Precapillary Sphincters - ANS Limit blood to capillary bed

Copyright ©2025 BRIGHTSTARS ALL RIGHTS RESERVED 2

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biol 320 taylor exam 2 2025 questions and answers

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BIOL 320 TAYLOR EXAM 2 2025 QUESTIONS AND ANSWERS

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