Natalie and Bullen continue their discussion of body parts, going over the Walmajurri terms for armpit, arms, hands, shoulders and fingers and skin. Natalie goes in depth about the armpit, discussing its role in the lymphatic system, which is part of the immune system and does not have its own pump, thus requiring physical movement to function efficiently. Natalie also touches upon practical advice regarding snake bites, highlighting the role of the lymph system in the dissemination of venom and the importance of immobilizing a bitten limb. Natalie also provides significant insight into skin, its structure and function, describing it as the body's largest organ with three layers. The word of the day is Kitikiti meaning Armpit.