In this view of the larynx, what structure does number 2 indicate?
A. Tracheal cartilage
B. Thyroid cartilage
C. Hyoid bone
D. Cricoid cartilage
E. Epiglottis
B
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Each of the following is a physical barrier to infection except
A) body hair. B) epithelium. C) secretions. D) complement. E) basement membranes.
A signal of one type may be changed to another type of signal using a __________
Fill in the blank with the correct word.
The glossopharyngeal and vagus nerves carry signals from the peripheral chemoreceptors to which structure(s)?
A. The central chemoreceptors B. The aortic and carotid bodies C. The aortic and carotid sinuses D. The pneumotaxic center of the pons E. The medulla oblongata
The left ventricle walls are typically thicker than the right ventricular wall.
Answer the following statement true (T) or false (F)