biology unit 5

• y blewyn


  Plays an important role when controlling temperature of the body
• cyhyryn sythu


  A muscle responsible for making the hairs stand up
• chwarren chwys


  Responsible for producing sweat
• Dwythell chwys


  Responsible for letting sweat travel through from the chwarren chwys to the mandwill chwys
• Pibelliau Gwaed


  Responsible for carrying blood to the skin