If the singular term ends in -a, the plural is usually formed by changing the ending to?

Complete the following sentence that describe the alimentary canal and its walls: the is composed mostly of connective tissue, nerves, and vessels, which to nourish surrounding tissues.

Characteristics of moderate sedation include: a. difficult arousal b. independent and continuous maintenance of a patent airway c. no experienced amnesia d. hemodynamic instability

Females who lift weights are not going to develop large, bulky muscles because a. they have more muscle fibers than men b. they have thicker muscle fibers than men c. they have lower testosterone levels than men d. all of the above does not change length