Which of the following statements about blood vessels is correct?
Select one:
a. All blood vessels contain an inner smooth muscle layer.
b. All blood vessels contain a tunica externa.
c. All blood vessels contain a tunica intima.
d. All blood vessels contain an inner connective tissue layer.

Respuesta :

D. All blood vessels contain an inner connective tissue layer.

Answer:

C

Explanation:

I just took the test and got it right