from the involves inhaling is transported to the and enters

Last updated: 11/7/2023

from the involves inhaling is transported to the and enters the blood in the A External respiration CO2 atmosphere O2 CO2 alveoli pulmonary veins B External respiration O2 atmosphere CO2 O2 alveoli pulmonary capillaries C Internal respiration O2 atmosphere CO2 O2 alveoli pulmonary capillaries D Internal respiration NO tissues CO2 NO bronchus pulmonary arteries E None of the above and exhaling 6 The inhal