Generally, any "thing" has many different qualities. If it shares roughly half these qualities with another "thing" they could be said to be very different and yet similar. <span>In the case of cells, plant cells and animal cells both have a nucleus, protoplasm, vacuoles. Plant cells have cell walls and a more rigid structure</span>
Carbon dioxide is normally slightly warmer than oxygen so if there is a sudden increase, it would naturally increase the temperature.
You can probly scan there blood and tell who it is.