The transport of o2 from the outside air to tissue cells and the transport of co2 from tissue cells to the outside is known as

The transport of O2 from the outside air to tissue cells and the transport of CO2 from tissue cells to the outside is known as gas exchange.

The transport of o2 from the outside air to tissue cells and the transport of co2 from tissue cells to the outside is known as... Respiration

Sun is explosive itself spread 9 planets.earth is 3rd explosive in the solar system about 500 hundred million years ago . first earth became ice age and freezing climate.centre of earth magma. north zone is artic . south is anatric