Both. Everything in your body, from your brain to your hair to your toes to your bones, is made of cells. Different kinds of cells make up different parts of your body. Neurons make up your nervous...
inside when its outside is outside because inside is outside answer = outside same with outside being inside answer = inside
Blood is ALWAYS red. It appears blue inside the body because of the way light refracts through the skin.
Depends on the virus. For example HIV usually dies fairly quickly outside of the body whereas Hepatitis B can live on a dry surface for weeks.
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