Mukhtasar Muslim (Abridged) 1312 — A believer eats with one intestine

It is narrated from Sayyiduna Jabir and Sayyiduna Ibn Umar (may Allah be pleased with them) that the Messenger of Allah (peace and blessings be upon him) said: A believer eats in one intestine, and a disbeliever eats in seven intestines.