Avian flu isn’t ‘one mutation away’ from becoming the next pandemic – yet
The H5N1 virus has a ways to go before it can successfully jump to humans but that it doesn’t reduce the threat it poses.
BBC1 年
The structure and function of the nervous system
There are three main types of neurone: sensory ... These receive incoming impulses from other neurones. Information from receptors passes along neurones, as electrical impulses to co-ordinators ...