The lymphatic system differs from the cardiovascular system in that?

When the blood pressure of a vessel drops below the critical closing pressure for that vessel,
a. there is hypertensionb. there is an increase in blood flowc. there is an increase in peripheral resistance
d. the vessel collapses
e. the vessel expands

The lymphatic system differs from the cardiovascular system in that
a. the lymphatic system only carries fluid away from tissuesb. the lymphatic vessels have their own “pump” to assist flowc. lymph capillaries do not contain any fluid
d. lymph capillaries allow free movement of fluid in and out of the capillaries
e. lymph circulates fluids and cardiovascular does not