Wednesday 12 December 2012

Lets try your Understanding


Exercises

Figure 1 show the structure of the human eye.
Figure 1

a)      Label the structure of the eye with the following words: 
·         retina 
·         lens 
·         blind spot
·         yellow spot
·         pupil 
·         iris                     


b)      State the function of 
·         cornea 
·         ciliary muscles 
·         aqueous humour 
·         sclera


c)      What is a blind spot?




Figure 2 shows the cross-section of the human ear.
Figure 2
a)      Label the structure of the ear: 
1.      ______________________ 
2.      ______________________ 
3.      ______________________ 
4.      ______________________ 
5.      ______________________ 
6.      ______________________


b)      State the function of the
·         semicircular canals
·         Eustachian tube
·         cochlea




 

Figure 3 shows the structure of the human skin.
Figure 3
a)      Label the structure of the ear: 
1.      ______________________ 
2.      ______________________ 
3.      ______________________ 
4.      ______________________ 
5.      ______________________ 
6.      ______________________ 
7.      ______________________ 
8.      ______________________ 
9.      ______________________ 
10.  ______________________ 
11.  ______________________

*Remember to try first before you refer to the notes given.
  Check your answer from the notes given in front.

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