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    				| 1. | Hepatic portal system collect blood fromA. LiverB. LungsC. KidneyD. Alimentary canal | 
| Answer» Correct Answer - D Hepatic portal system is well-developed in mammals. The food-laden blood from various region of the digestive tract is collected by four vein- (i) lienogastric from stomach and spleen (ii) Duodenal from duodenum (iii) Anterior mesentric from small intestine, caecum adn colon. | |