BIOL 320 Taylor Exam 2

BIOL 320 Taylor Exam 2

Function of lymphatic system - CORRECT REPLY>>>>>>--
collect and filter tissue fluid from capillaries and return it to
circulation

- Serves as a way to move white blood cells around



Tunica Intima - CORRECT REPLY>>>>>>-Inner layer of
Artery/Vein

Endothelium

Subendothelial layer

Internal Elastic Lamina (Artery Only)



Tunica Media - CORRECT REPLY>>>>>>-- Smooth muscle
and elastic fibers

- External elastic lamina (Artery Only)



Tunica Externa - CORRECT REPLY>>>>>>-- Collagen fibers

- Protection of vessels

,- vasa vasorum



Vasa vasorum - CORRECT REPLY>>>>>>-Tiny blood vessels
that supply the walls of large arteries and veins



Elastic artery tissue makeup - CORRECT REPLY>>>>>>--
Primary smooth muscle

- Elastic tissue



Muscular Artery tissue makeup - CORRECT REPLY>>>>>>--
Smooth muscle

- fibrous (Collagnous) Tissue



Arteriole tissue makeup - CORRECT REPLY>>>>>>-- Smooth
muscle mostly



Capillary tissue makeup - CORRECT REPLY>>>>>>--
Endothelium only

, Venule tissue makeup - CORRECT REPLY>>>>>>--
Endothelium

- Smooth muscle

- Fibrous Tissue



Vein tissue makeup - CORRECT REPLY>>>>>>-- mostly
fibrous (Collagenous) tissue and smooth muscle



Elastic artery physical characteristics serve to - CORRECT
REPLY>>>>>>-- 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 - CORRECT REPLY>>>>>>--
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