Block 2 - Circulatory System

Question 1

Structure of Arteries and Veins: What are the 3 wall layers (external to internal) ?

Answer 1

Tunica externa (adventitia) Tunica media Tunica interna (intima)

Question 2

Fill in the blank(s)

Answer 2

Question 3

Within the Tunica Externa (Adventitia), there are specific fibers that exist in the veins of this layer. In contrast, these fibers exist in the arteries within the Tunica Media.

What fibers are these?

Answer 3

*some* smooth muscle fibers

Question 4

The internal elastic lamina is only found in what circulatory system structure?

Answer 4

Arteries