The branch of the common iliac artery that enters the pelvic cavity is the ________ artery.
A) superficial iliac
B) deep iliac
C) external iliac
D) internal iliac
E) femoral
Question 2
Which embryonic germ layer forms the linings of the respiratory and digestive tracts?
A) mesoderm
B) ectoderm
C) trophoderm
D) endoderm
E) epiderm