Question

which of the following structures is found in humans but is absent in pigs?
a. epiglottis
b. appendix
c. cecum

Explanation:

Both humans and pigs have an epiglottis, which is a flap of tissue that prevents food from entering the trachea during swallowing. Pigs also have a cecum, a pouch - like structure at the beginning of the large intestine. However, the appendix is a small, finger - like projection of the cecum that is present in humans but is absent in pigs.

Answer:

B. Appendix