What is meant by excretion?
Name two products excreted by the human - Leaving Cert Biology - Question b - 2007
Question b
What is meant by excretion?
Name two products excreted by the human.
Name one organ of excretion, other than the kidney, in the human body.
What is meant by osmoregu... show full transcript
Worked Solution & Example Answer:What is meant by excretion?
Name two products excreted by the human - Leaving Cert Biology - Question b - 2007
Step 1
What is meant by excretion?
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Answer
Excretion is the physiological process of eliminating waste products from the body. This includes the removal of substances that are no longer needed or could be harmful if retained.
Step 2
Name two products excreted by the human.
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Answer
Two products excreted by humans are:
Carbon dioxide
Urine (which includes urea and uric acid)
Step 3
Name one organ of excretion, other than the kidney, in the human body.
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Answer
One organ of excretion, apart from the kidney, is the skin.
Step 4
What is meant by osmoregulation?
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Answer
Osmoregulation refers to the process by which organisms regulate the concentration of solutes and the balance of water within their bodies to maintain homeostasis.
Step 5
Where does filtration of blood take place?
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Filtration of blood takes place in the cortex of the kidney, specifically in the Bowman's capsule.
Step 6
Where does reabsorption of salt take place?
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Reabsorption of salt primarily occurs in the medulla of the kidney, specifically in the loop of Henle or convoluted tubules.
Step 7
To what organ does the ureter link the kidney?
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The ureter links the kidney to the bladder.
Step 8
To which main blood vessel does the renal artery link the kidney?
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The renal artery links the kidney to the aorta.
Step 9
Name the fluid present in the ureter.
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Answer
The fluid present in the ureter is urine.
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