Draw a labelled diagram to show the relationship between the liver, the small intestine and the hepatic portal vein - Leaving Cert Biology - Question 15(b) - 2010
Question 15(b)
Draw a labelled diagram to show the relationship between the liver, the small intestine and the hepatic portal vein.
Name a substance transported to the liver by the... show full transcript
Worked Solution & Example Answer:Draw a labelled diagram to show the relationship between the liver, the small intestine and the hepatic portal vein - Leaving Cert Biology - Question 15(b) - 2010
Step 1
Draw a labelled diagram to show the relationship between the liver, the small intestine and the hepatic portal vein.
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Answer
To answer this, you need to draw a diagram that clearly represents the liver, small intestine, and the hepatic portal vein. Ensure that the small intestine connects to the hepatic portal vein, which leads directly to the liver. Label each component correctly, including the liver, intestine, and portal vein.
Step 2
Name a substance transported to the liver by the blood in the hepatic portal vein.
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Answer
One common substance transported to the liver through the hepatic portal vein is glucose, which is derived from the digestion of carbohydrates.
Step 3
Name the blood vessel that brings oxygenated blood to the liver.
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Answer
The blood vessel that brings oxygenated blood to the liver is the hepatic artery.
Step 4
Where in the human body is the liver located in relation to the stomach?
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Answer
The liver is located above or to the right of the stomach.
Step 5
Where is bile stored after it has been made in the liver?
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Answer
Bile is stored in the gallbladder after it has been made in the liver.
Step 6
Give one role that the bile salts play in the digestive process.
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Bile salts help emulsify fats, which increases the surface area for enzymes to act on, facilitating the digestion of lipids.
Step 7
Give two further functions of the liver, other than the manufacture of bile.
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Answer
The liver has several critical functions. Two of these include:
Storage of fat-soluble vitamins or glycogen.
Detoxification of harmful substances, such as drugs and alcohol.
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