Please help!

Question

hello! Please help me choose the correct answer for the following questions:

pseudostratified            avascular          squamous        columnar              microvilli    transitional                 absorption            exreacellular      endothelium         cuboidal  mucus                  secretion                    lumen               basement membrane

 

1.  The special name for the simple squamous linging of a blood vessels is __________?

 

2.   The hollow space with in a tube or strycture in the body is known as a _________?

 

Thanks!

Answer 1

1. endothelium

The lining of the tube.

2. lumen

The space within the blood vessel.