3. ¿Cuál es la diferencia entre respiración celular y respiración pulmonar?

Breathing involves inhale of oxygen from the atmosphere into the lungs and exhale of carbon dioxide from the lungs into the atmosphere

cellular respiration involves breakdown of glucose into carbon dioxide and water in living cells, releasing energy.

Explanation:

your answer is "the 1950's"

scientists have discovered that hiv does not cause aids by the virus's direct effect on the host's immune cells, but rather through the cells' lethal influence on one another. researchers from the gladstone institutes have revealed that hiv does not cause aids by the virus's