Which of the following structures is not involved in respiration? by Sunday | Nov 24 | Biology WAEC | 0 comments A. Lung books B. Mouth C. Stomach D. Trachea Correct Answer: Option C C. Stomach Users Also Read These:Which of the following pairs of structures in living…JSS 2 First Term Agricultural Science Lesson Note -…Which of the following structures is not a skeletal…Which of the following structures is not essential…Which of the following structures would carry out…