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solmaris [256]
2 years ago
8

How does the virus get into a cell? What happens once the virus gets in? What would make it possible for the avian flu to be tra

nsferred from human to human? Why are scientists looking at the 1918 flu? Why are viruses like the avian flu important for vet scientists to study?
Health
1 answer:
Stella [2.4K]2 years ago
3 0

Answer:

Avian influenza is an infectious disease of birds caused by type A strains of the influenza virus. In birds, the infection can manifest itself in various ways, from mild symptoms, which can go unnoticed, to a disease that quickly leads to death and can cause a serious epidemic.

Explanation:

A virus is a tiny infectious particle that can only reproduce when it infects a host cell. Viruses "take over" the cell and use its resources to make more viruses, basically by reprogramming it to make it a virus factory. Because they cannot reproduce on their own (without a host), viruses are not considered alive. Viruses also have no cells: they are very small, much smaller than the cells of living things; They are basically just packages of nucleic acid and proteins.

For the spread of bird flu to be transferred from human to human, the virus should mutate into a form that is more easily transmitted from person to person.

Because in 1918 the worst flu virus pandemic was recorded in history.

Viruses such as avian influenza are prone to generate pandemics, due to their rapid spread and the ability to mutate the virus.

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3 years ago
Can stroke volume increase if edv does not change?
Bingel [31]

Answer:

The volume of a gas will decrease.

Let's think of some good examples. How about an air tank? Its volume is very small but the gas it contains could easily fill a small room. How is the volume so small, then? Because the gas is under extremely high pressure.

Okay so intuition from every day life tells us increase in pressure means decrease in volume.

Examples of temperature? A hot air balloon is filled by a flame that heats the gas inside it. The balloon gets bigger - the volume rises. This is an especially relevant example since the hot air balloon rises due to buoyancy, meaning the air inside it is less dense than the air outside it.

Less dense means there is less mass per volume inside it, so again we know that the gas inside the balloon has undergone an increase in volume in response to being heated.

So increase of temperature means an increase of volume.

The answer to your question, then, is that the volume will decrease (which is actually kinda difficult to do sometimes...but still a theoretical fact).

For further reading and understanding, see "Ideal gas law".

Explanation:

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