Question

multiple choice question
one artery, a capillary bed, and one vein associated with an organ describe a ______ pathway of blood flow.
tubular
simple
branched
compound

Explanation:

In the context of blood - flow pathways, when there is one artery, one capillary bed, and one vein associated with an organ, it is a simple pathway. A simple pathway is the most straightforward route of blood flow without complex branching or multiple - layered structures as in compound or branched pathways. Tubular is not the correct term for this type of blood - flow pathway.

Answer:

B. simple