Question

Q1. Name the following:

(i) Narrow blood vessel whose walls have a single layer of cells
​

Answer 1

Artery

Step-by-step explanation:

Tunica Intima

In smaller arterioles or venules, this subendothelial layer consists of a single layer of cells, but can be much thicker in larger vessels such as the aorta. The tunica intima is surrounded by a thin membrane comprised of elastic fibers running parallel to the vessel.

Answer 2

i think just google it for the answer