Search over 10,000 free study notes

The body does this through the process of negative feedback. Thermoreceptors detect the decrease in temperature, and send a signal (via sensory neurones) to the temperature-regulating centre in hypothalam...

Osmosis can be defined as "the movement of water from an area of high water concentration to an area of low water concentration across a selectively permeable membrane". What this means, is that...

Synapses are really important in the transmission of information signals through the nervous system. They connect two (or more) neurons, aiding the passage of information through the system. This passage ...

A balanced diet is one that contains the correct balance of different food groups to avoid malnourishment. Carbohydrates are required for energy release to the body, proteins are used in the body for grow...

A sensory neurone is made up of 3 main components: the dendron, the cell body and the axon. At one end of the sensory neurone is the receptor cells where the nerve impulse begins. At the other end of the ...