The superior mesenteric vein arises from the small instestine, asceding colon, and transverse colon. It carries blood through the hepatic portal vein into the liver's hepatic portal system, rather than returning this blood the the heart.
5. Mechanical
6. chemical
7. amino acids
8. enzymes
9. c. chewing makes food smaller
10. c. molars
11. a. premolars
12. b. incisors and canines
Because he was an anthropologist and believed it would help the US during WWII
This is when a child starts to develop a mind of their own and they start to become their own person their personalities may fluctuate but the child starts becoming dependent on themselves