Question

What component of the circulatory system is at the tissue level?

Answer 1

The answer is b. blood,  Blood is considered a tissue even though it is liquid.

Answer 2

Answer: B. Blood

Explanation:

A tissue is defined as an assembly of different cell types in an extracellular matrix from a same-origin that all together carry out a specific function. In this specific case the cell types available in blood would be the white blood cells, red blood cells and platelets (not considered a cell actually), the extracellular matrix would be the plasma (liquid matrix in which the cells are suspended).