In an aneurysm, the cross-sectional area of a vessel expands. With the approximation that blood is non-viscous and incompressible, and that you have a laminar flow, which one of the following is true in the expanded segment, compared to the normal vessel?
a) The velocity is higher.
b) The flow is higher.
c) The density of the blood increases.
d) The velocity is the same.
e) The density of the blood decreases.
f) None of the above.