How do the brachial veins of the pig differ from those of humans?

I need help with a few questions from different exercises

*As you trace a spinal nerve laterally, it divides into dorsal and ventral ________ (rami/roots).

*How do the brachial veins of the pig differ from those of humans?

*What difference was noted between the origin of the hepatic portal vein in the pig and in
humans?

*Between the origin of the internal and external iliac arteries?

*The female pig has a ____________________ uterus; that of the human female is
____________________. Explain the difference in structure of these two uterine types.

*What reproductive advantage is conferred by the pig’s uterine type?

*Cite the differences between the pig and the human relative to the following structures:
uterine tubes or oviducts _____________________________ ________________________
urethral and vaginal openings in the female

*Several differences between pig and human digestive anatomy should have become
apparent during the dissection. State the pertinent differences between the human and
the pig relative to the following structures.

Structure                        Pig               Human
Number of liver lobes
Appendix
Appearance and distribution of colon
Presence of round ligament




Please help!  Thank you!