contestada

Which treatment improves blood flow by helping to open a narrow blood vessel?
a stent
a cardioversion
a valve replacement
a vascular graft

Relax

Respuesta :

Answer:

A stent

Explanation:

Answer:

it is a stent

Explanation:

A stent is a tube that your doctor inserts into a blocked passageway, such as a blood vessel, to keep it open.