H+Hb --> HHb
HHb --> H+Hb
which process is internal respiration and which process is external respiration???
The equation H+Hb → HHb represents the combination of deoxygenated blood (Hb) with hydrogen ions (H+) to form the compound known as deoxyhemoglobin (HHb). This process occurs in the tissues, where oxygen is released from hemoglobin molecules.
On the other hand, the equation HHb → H+Hb represents the dissociation of deoxyhemoglobin (HHb) back into deoxygenated blood (Hb) and hydrogen ions (H+). This process occurs in the lungs, where oxygen binds to hemoglobin molecules.
So, the process H+Hb → HHb (deoxygenation) occurs during internal respiration in the tissues, where oxygen is unloaded from the blood, while the process HHb → H+Hb (oxygenation) occurs during external respiration in the lungs, where oxygen is loaded onto the blood.
To summarize:
- Internal respiration: H+Hb → HHb (deoxygenation) in the tissues.
- External respiration: HHb → H+Hb (oxygenation) in the lungs.