Answer:
Female is more emotional because women have always been the caring one, since the beginning of humankind. It is the hormones that call them to become caring as in the later stage of their life they become mothers.
The physical characteristics of influenza viruses are that they are single-stranded, RNA viruses enclosed in a helical nucleocapsid. On the outside, these viruses are enveloped. Two important proteins are found on surface of this envelope: hemagglutinin and neurominidase.