Reply To: Define the terms ‘internal environment’ and homeostais. Share this post: Share on Twitter Share on Facebook Share on LinkedIn Share on Email Share on WhatsApp Share on Telegram October 11, 2020 at 5:54 pm #786 VanshikaParticipant Internal environment is the environment inside the body where cells are present. Homeostasis is the mechanism in which nervous system and endocrine system maintains the internal environment of body. Share this post: Share on Twitter Share on Facebook Share on LinkedIn Share on Email Share on WhatsApp Share on Telegram