(c) Physical process
(a) Carbon dio
5. Breathing or external respiration is a
(a) Chemical process
(b) Biological process
holation and exhalation are the steps of
Answers
Answered by
1
External respiration also known as breathing refers to a process of inhaling oxygen from the air into the lungs and expelling carbon dioxide from the lungs to the air. ... External respiration is a physical process during which oxygen is taken up by capillaries of lung alveoli and carbon dioxide is released from blood.
Similar questions