Answer:
Viruses determines the border line between the living and non living organisms. Viruses always requires a host to show the characteristics of the living organism.
Virus may also acts as pathogen for the human being. The virus has the ability to change evolve their genetic material rapidly. In case of the immunization of the influenza virus, virus might evolves quickly for the particular one vaccine and helps in providing long term protection.
Mascarpone Cheese, Which Is You Can Make On Your Own
Explanation:
no english i speak spanish
Answer:
it is the system that exchanges the co2 in your blood stream for your o2