The diagram below shows a section through the mammalian skin.

      

The diagram below shows a section through the mammalian skin.
Biology552017753.jpg
(a) Name the parts labeled E, F and G
(b) State two functions in each case of substance secreted by the structures labeled (i) H (ii) I.

  

Answers


John
(a) E - Malpighian layer,

F - Nerve cell,

G - Erector pilli muscle

(b) (i) H - Excretion of waste products of metabolism from the body e.g. excess water, mineral salts traces of urea, lactic acid

- Temperature regulation in the body brings a cooling effect through loss of excess heat by evaporation of water

(ii) I - Keep s the hair and epidermis flexible and water proof or supple

- Contains antiseptic properties for protection against bacteria or micro-organisms.
johnmulu answered the question on May 5, 2017 at 05:01


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