Author Question: The left and right coronary arteries originate at the A) aortic arch. B) carotid sinus. C) ... (Read 30 times)

vinney12 · **on:** Feb 27, 2019

The left and right coronary arteries originate at the
A) aortic arch.
B) carotid sinus.
C) brachiocephalic trunk.
D) aortic sinus.
E) aortic valve.

Question 2

Placental functions are concentrated in a disc-shaped area in the endometrium called the
A) trophoblast.
B) allantois.
C) capsular decidua.
D) basal decidua.
E) parietal decidua.