Study the diagram and then answer the following questions - Leaving Cert Biology - Question 5 - 2006
Question 5
Study the diagram and then answer the following questions.
(a) Name X and Y
X .....................................................................
Y ............... show full transcript
Worked Solution & Example Answer:Study the diagram and then answer the following questions - Leaving Cert Biology - Question 5 - 2006
Step 1
Name X and Y
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Answer
X: liver
Y: (hepatic) portal vein or portal system
Step 2
Place arrows on Y, the hepatic artery and the hepatic vein to indicate the direction of blood flow.
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Answer
Arrow 1: Point towards ( Entering ) Y (Hepatic portal vein)
Arrow 2: Point away from Y (Hepatic artery)
Arrow 3: Point away from the hepatic vein
Step 3
State the precise location of organ X in the human body
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Answer
Organ X (liver) is located in the upper abdomen or under the diaphragm, directly related to the stomach.
Step 4
State a role that organ X plays in the digestive process
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Answer
Organ X (liver) produces bile, which is essential for emulsification of fats, or it produces sodium bicarbonate (NaHCO₃) to neutralize acidic chyme.
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