They are called parasites. Some bacteria, fungi etc
Mainly they are paracites. But some are mutual
The most common ones are viruses.
Dna viruses
The inside. The inside of the bone, which produces red and white blood cells, is indeed living
they multiply.
Unlike living things viruses don't have a metabolism, making them obligatory parasites (they can only reproduce if there's a host cell they can hijack). They also aren't a cell, which is considered by many to be the minimal organisational structure of living things.
The immune system of the body provide a defense against abnormal cells and pathogens inside living cells. Generally this results into rise in temperature of the body. Therefore, fever is the indication of having war against abnormal cells and pathogens.
In the blood.
Virus do not have cells.Other microbes have cells.
The inside. The inside of the bone, which produces red and white blood cells, is indeed living
not really, bones are not living cells they are made of calcium mostly and are not living cells, although inside of the bones contain bone marrow, which are living cells
because inside the egg is something living.
they multiply.
Unlike living things viruses don't have a metabolism, making them obligatory parasites (they can only reproduce if there's a host cell they can hijack). They also aren't a cell, which is considered by many to be the minimal organisational structure of living things.
Viruses must be inside cells in order to replicate. They don't really reproduce in the biological sense. Their DNA or RNA takes over a living cell and causes it to make and assemble virus parts. Eventually the cell will burst, releasing the newly replicated viruses.
Your body, inside and out is covered by microoranisms. You have about three pound of microbes and that is 10X the number of body cells.
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Microbes need... -nerdites -warmth
Well actually, not a body part but the White Blood Cells in the body ingest microbes by the process called phagocytosis. More info: http://en.wikipedia.org/wiki/Phagocytosis Also, lysosome which is found inside a cell has the ability to ingest microbes.
Viruses depend on living cells because they reproduce inside of them.