Q9 of 48 Page 104

Match the items in Column I with those in Column II and write down the matching pairs.























Column I



Column II



(a) Bowman’s capsule



(i) Renal artery



(b) Contains more CO2 and less urea



(ii) Regulates amount of water excreted



(c) Antidiuretic hormone



(iii) Renal vein



(d) Contains more urea



(iv) Glomerculus






























Column I





Column I





Explanation





(a) Bowman’s capsule





(iv) Glomerulus





Glomerulus are blood vessels contained in the Bowman’s capsule.





(b) Contains more CO2 and less urea





(iii) Renal vein





The renal vein carries blood from the kidney. The urea has been taken in by the kidney for further processing.





(c) Antidiuretic hormone





(ii) Regulates amount of water excreted





ADH is made by the hypothalamus of the brain. It regulates the amount of water content in the blood.





(d) Contains more urea





(i) Renal artery





The renal artery carries blood to the kidney. The urea is taken to the kidney through the blood.





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Name the main nitrogenous metabolic waste excreted out by mammals including humans.

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Fill in the blanks in the following passage to make it a meaningful description.

In a nephron, the ____ flows through the ____ under great pressure. The reason for this great pressure is that the ____ (outgoing) ____ is narrower than the ____ (incoming). This high pressure causes the ____ part of the blood to filter out from the ____ into the ____ capsule.

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Define the following terms:

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