T cells become immunologically competent in the , while B cells become immunologically in the . Both seed tissue.

Identify the structure labeled #3: 

The _____ is a major artery that branches off the aortic arch and supplies blood to the _____.

What is the middle vessel superiorly branching off of the arch of the aorta?

What is label #3 of the pharyngeal plexus?

Which of the following innervates the Serratus Anterior muscle?

What do the Salpingopharyngeus, Palatopharyngeus, and the Stylopharyngeus have in common?

What structure has the anterior & middle scalene insertion points coupled with grooves for the subclavian artery and vein? 

In a five paragraph essay, including an introduction with a thesis statement, body paragraphs, and a conclusion, analyze the theme of “Old v. New America” in Tennessee Williams’ A Streetcar Named Desire. Remember that analysis requires you to make a claim (your thesis) and prove that claim throughout your response.  You should quote at least once from the play.

What muscle is labeled #2?