Get premium membership and access revision papers with marking schemes, video lessons and live classes.

Processing. Please wait.

The diagram below shows a section through the mammalian skin.

(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

Answer Text:
a)- E: Malpighian layer
- F: Nerve cell
- G: Erector pilli muscle
b) i)- Excretion of waste products of metabolism from the body e.g excess water, mineral
salts traces of urea, lactic acid
ii)- Contains antiseptic properties for protection against bacteria or microorganisms.