1. What is the difference
between respiration meaning
gas exchange and cellular
respiration?

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Respiration meaning gas is
the process which an organism
from the environment
necessary for its metabolism
and expels that are products
this metabolism. Cellular
(aerobicor anaerobic) is chemical
reaction in organic molecules are
to make ATP , the
main energy for the metabolism.

exchange is fundamental
cellular respiration since supplying
of some (oxygen, in aerobic
respiration) and the of
some products (.g., carbon dioxide) of
chemical reaction depends gas
exchange.