The body protects its self by pathogens is antibody. They are kind like a Marker protein because they cling on to the pathogen and kind of saying like "hey kill this one it's over here". Once that happens a monasteries( I think that's what there called don't quote me though) ears the pathogen and everything dies once that happends
The planets closest to the star are rocky planets formed by elements with high melting points. Moreover, planets far away are gaseous planets and they are composed of elements with lower melting points.
<h3>Rocky planets and gaseous planets</h3>
The rocky planets consist of silicate rocks and/or metals, whereas gaseous planets are mainly composed of hydrogen and helium.
The rocky planets of the solar system include planets closest to the sun, i.e., Mercury, Venus, the Earth, and Mars.
The gaseous planets of the solar system include faraway planets, i.e., Jupiter, Saturn, Uranus, and Neptune.
Learn more about rocky planets here:
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I'm not sure but if you are talking about cells I think it is cytoplasm.