Michelle's Biology (:

Understand that stimulation of receptors in the sense organs sends electrical impulses along nerves into and out of the central nervous sy...

2.83 Central Nervous System Recall that the central nervous system consists of brain and spinal cord and is linked to sense organs by ner...

Describe how responses can be controlled by nervous or by hormonal communication and understand the differences between the two systems ...

Controlling body temperature Components of skin which controls body temperature Sweat gland Capillary network - allows...

Understand that homeostasis is the maintenance of a constant internal environment and that body water content and body temperature are bot...

Understand that organisms are able to respond to changes in their environment Sensitivity - the characteristic in which organism respo...

Recall that urine contains water, urea and salts Urine contains salts, water and urea. Water and salt particularly affects the composi...