The ________ carries nutrient-rich blood into the liver.
A) hepatic artery
B) gastric vein
C) myenteric capillaries
D) hepatic portal vein
E) superior mesenteric vein
Question 2
The formation of different types of cells required in development, or ________, occurs through selective changes in genetic activity.
A) differentiation
B) cupellation
C) deployment
D) gametogenesis
E) phylogeny