Answer:
B. The joints make the appendages flexible and allow for movement
Explanation:
I took the test on edg
True.
<span>The trachea is about 10 cm long and it has an approximate diameter of 2 cm. It is located anterior to </span>(in front of) the esophagus and posterior to (behind) the isthmus of the thyroid. The right and left main bronchi are branches of the trachea. This division occurs at the level, or just below the level, of the sternal angle, also known as the manubriosternal joint.
The answer is D.
"An irregular galaxy is a galaxy that does not have a distinct regular shape, unlike a spiral or an elliptical galaxy. Irregular galaxies do not fall into any of the regular classes of the Hubble sequence, and they are often chaotic in appearance, with neither a nuclear bulge nor any trace of spiral arm structure."
