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9.3. Blood vessels
A subsection of Biology, 0610, through 9. Transport in animals
Listing 10 of 143 questions
For Examiner's Use Blood flows through the hepatic portal vein from some organs to the liver. shows the hepatic portal vein and these organs. liver spleen hepatic portal vein Blood in the hepatic portal vein is deoxygenated. Explain why the blood in the hepatic portal vein is deoxygenated rather than oxygenated. For Examiner's Use Name four organs, other than the spleen, that are shown in and from which blood flows into the hepatic portal vein. Describe the role of the hepatic portal vein in the transport of absorbed nutrients. Explain how the liver is involved in regulating the composition of the blood and in protecting the body against toxic substances. For Examiner's Use The spleen contains lymphatic tissue which is full of phagocytes and lymphocytes. Describe how phagocytes and lymphocytes protect the body against the spread of disease-causing organisms. phagocytes lymphocytes
0610_w12_qp_31
THEORY
2012
Paper 3, Variant 1
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Questions Discovered
143