Which of the following organs forms a barrier between an animal and its external environment? by Sunday | Jan 20 | Agricultural Science WAEC | 0 comments A. Urinary bladder B. Stomach C. Lung D. Skin Correct Answer: Option B B. Stomach Users Also Read These:The process of collecting and analyzing information…Explain the following business environments as they…The barrier between maternal and foetal blood is the?Which of the following organs of the United Nations…When an animal is being fed on a ration that does…