The process whereby gases are exchanged between the bloodstream and the tissues is known as:
a. external respiration.
b. internal respiration.
c. cellular respiration.
d. alveolar respiration.
b
During internal respiration the gases diffuse through
the semi-permeable membrane capillary walls into the tissues
in an effort to equalise the concentration of gases on both
sides.
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Fill in the blank(s) with the appropriate word(s).