front 1 During combustion of substances, | back 1 heat and light are released. Combustion usually takes place in the presence of oxygen. |
front 2 During cellular respiration, | back 2 the energy contained in the food is released in the presence of oxygen. Unlike the combustion process, it is a gradual process, in which energy is stored and then it is utilized to perform various life activities. |
front 3 Exhaled air contains | back 3 less oxygen and more carbon dioxide and water vapor than inhaled air. |
front 4 cellular respiration | back 4 oddychanie komórkowe |
front 5 combustion | back 5 spalanie |
front 6 The composition of inhaled and exhaled air | back 6 ![]() |