Reply To: buffer Share this post: Share on Twitter Share on Facebook Share on LinkedIn Share on Email Share on WhatsApp Share on Telegram October 14, 2020 at 4:53 pm #1461 Aarti KumariParticipant Kidney maintain the ph by excreting H+ and HCO3- And the lungs maintain ph by excreting the CO2. Share this post: Share on Twitter Share on Facebook Share on LinkedIn Share on Email Share on WhatsApp Share on Telegram