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.
The answer should be digestion
You always have to warm up, if you start to over exert yourself without a warm up you could get hurt
Everyone is different since every individual has a unique capability, tolerance to stress, level of determination. Some may take 20 times of trial and error before they succeed while others may take<span> weeks or even months. Living a healthy lifestyle is a goal that is achieved after overcoming all bad habits.</span>