Author Question: Venous valves are responsible for A) preventing anterograde flow. B) channeling blood away from the ... (Read 12 times)

daltonest1984 · **on:** Feb 27, 2019

Venous valves are responsible for
A) preventing anterograde flow.
B) channeling blood away from the heart.
C) channeling blood toward the heart.
D) preventing blood from re-entering a ventricle.
E) regulating blood pressure in veins.

Question 2

During meiosis I, maternal and paternal chromosomes come together during the process called ________ to form a ________.
A) synapsis; chromatid
B) prophase I; chromatid
C) synapsis; spermatid
D) metaphase II; tetrad
E) synapsis; tetrad