Biology - Breathing and Exchange of Gases Question with Solution | TestHub
In the given diagram, what should be P, Q, R and S respectively?
Options:
Answer:
Solution:
Based on the anatomical structure of the human respiratory system shown in the diagram:
P points to the U-shaped bone located above the larynx, which is the hyoid bone.
Q points to the large, shield-shaped cartilage forming the anterior wall of the larynx (often called the Adam's apple), which is the thyroid cartilage.
R points to the leaf-shaped cartilaginous flap that covers the glottis during swallowing, which is the epiglottis.
S points to the tube extending downwards from the larynx, supported by C-shaped cartilaginous rings, which is the trachea.
Therefore, P, Q, R, and S are Hyoid bone, Thyroid cartilage, Epiglottis, and Trachea respectively.
Answer: Hyoid bone, Thyroid cartilage, Epiglottis, Trachea
