One T cell or B cell can bind to multiple different antigens.

During clonal expansion, B cells can become plasma cells or memory cells, while T cells can become cytotoxic cells or helper cells.

Maria has type AB blood and says she can donate to any blood type.  Is she correct?  Explain with detail why or why not.

Which of the following is a function of blood:

In the pulmonary circuit, veins carry oxygen-____ blood, and in the systemic circuit, veins carry oxygen-_____ blood.  

Which plasma protein plays a role in forming blood clots?

What causes the characteristic heart beat sounds that a doctor hears when using a stethoscope?

Which of the following are considered formed elements of blood?   Select all that apply.

Match the following definitions and concepts with the correct term.  Note: Some terms will be used more than once

Which region of the brain serves as the link between the nervous and endocrine systems?