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1.4 Match the abbreviations to the functions of each organisation in the below dropdown list.

Which of the following best describes the structure labeled “A” in this image of the lung?

Which of the following secrete lysozyme to regulate the bacterial flora of the gastrointestinal track?  

Identify the structures labeled “A” in this image of a section of salivary gland tissue stained with H&E.

  b) Explain two ways how the villi are structurally suited to perform their function. (4)

5.1.3 a) State the number and name of the part where villi are found. Number: [1]  Name: [2] (2)

3.2.2 Explain the scale indicated in the diagram by discussing the size of the flower. (2)

Undercosting a particular product may result in:

Name the region labeled “B”. 

  b) State two advantages that resulted from having a through gut. (2)