H.4.1 Outline the circulation of the blood through liver tissue, including the hepatic artery, hepatic portal vein, sinusoids and hepatic vein
H.4.2 Explain the role of the liver in regulating levels of nutrients in the blood
H.4.3 Outline the role of the liver in the storage of nutrients, including carbohydrates, iron, vitamin A and vitamin D
H.4.4 State that the liver synthesizes plasma protein and cholesterol
H.4.5 State that the liver has a role in detoxification
H.4.6 Describe the process of erythrocyte and haemoglobin breakdown in the liver, including phagocytosis, digestion of globin and bile pigment formation
H.4.7 Explain the liver damage caused by excessive alcohol consumption
