Which is true of all organs in the human body? They are made up of two or more tissue types. They produce red and white blood cells. They remove harmful substances from the body. They are composed of one main type of cell.

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the