Which one of the following is NOT a method by which antibodies inactivate antigens:

The specific foreign substances that an individual’s immune system has the ability to recognize and resist is determined by:

According to the laws of diffusion, movement of a respiratory gas occurs toward the area of higher concentration of that particular respiratory gas.

Chemicals secreted by white blood cells and macrophages exposed to foreign substances that can increase body temperature are called pyrogens.

Which one of the following is NOT one of the antibody classes:

Trace the pathway the air through the respiratory system (2 X’s each) ___________________ è ___________________ è ___________________ è ___________________ è ___________________ è ___________________ è ___________________ è ___________________ è ___________________ è ___________________ è ___________________ è ___________________ è ___________________ è alveoli

What structure carries lymph into a lymph node:

Which tonsil(s) is/are located in the oropharynx at the end of the soft palate:

The pharynogotympanic tubes, which drain the middle ear, open into the:

Functions of the nasal cavity include all of the following, except