The cortex of lymph nodes contains lymphatic nodules that have B cells in their germinal centers.

Which of these provides the body with a mechanical barrier as a defense mechanism?

What is the mechanism of action of interferons?

This will lead to inflammation, attraction of phagocytes, and enhancement of phagocytosis, and involves a large cascade of protein activation.

As the peripheral resistance decreases, the blood pressure _____________.

T lymphocytes are produced in the ______________ and mature in the ______________.

This class of cells includes macrophages, B cells and dendritic cells.

Which blood vessel layer is thickest in large arteries and contains lots of smooth muscle?

Which of the following results in an increased resistance to blood flow?

Inflammation is a type of _____________________ immunity.