Explain the term excretion - Leaving Cert Biology - Question c - 2011
Question c
Explain the term excretion.
Name two substances excreted by the kidneys.
The diagram shows the human urinary system.
Name the parts labelled A, B, and C.
Name the pa... show full transcript
Worked Solution & Example Answer:Explain the term excretion - Leaving Cert Biology - Question c - 2011
Step 1
Explain the term excretion.
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Answer
Excretion is the biological process of getting rid of waste materials that are produced in the body. This process is essential for maintaining the body's internal balance and preventing the accumulation of harmful substances.
Step 2
Name two substances excreted by the kidneys.
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Answer
The kidneys excrete urea and excess water, as well as salts.
Step 3
Name the parts labelled A, B, and C.
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Answer
In the diagram, A is the kidney, B is the ureter, and C is the bladder.
Step 4
Name the parts of the kidney in which each of the following takes place:
1. Filtration
2. Reabsorption.
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Answer
Filtration takes place in the cortex of the kidney.
Reabsorption occurs in the medulla or the cortex of the kidney.
Step 5
Name one other excretory organ in the body.
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Answer
One other excretory organ in the body is the liver.
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