Nonspecific defenses would not include

The popliteal artery branches to form which of the following?

________ are large lymphoid nodules that are located in the walls of the pharynx.

Which is true about innate immunity?

The popliteal artery branches to form which of the following?

A person who has type B blood:

Lymphocyte production occurs in:

Which organ is responsible for filtering the blood?

Plasma is mostly made up of:

The middle layer of the heart contains ________ muscle.