No receptors directly monitor _____ balance; the receptors respond to changes in the _____

A property of immunity where the defense is activated by an antigen and the response targets that particular antigen and no other antigens.

When ______ occurs, the body returns to homeostasis by following actions: baroreceptors are stimulated, peripheral vasodialation, cardioacceleratory center in inhibited, cardioinhibitory center is stimulated, decrease in cardiac output

The primary cells of the lymphatic system is the

Each of the following will lead to a decrease in blood pressure except

Lymph nodes do all of the following, except

Defense of the body against a particular bacteria or virus (discriminates) is provided by _____

The following is a list of possible steps in B cell activation: i. activation ii. antigen presentation iii. produce memory cells, plasma cells and antibodies iv. sensitization v. costimulation The correct sequence of these steps is

When one hormone is needed for a second hormone to produce an effect, it is called

The following is a list of possible steps in B cell activation: i. activation ii. antigen presentation iii. produce memory cells, plasma cells and antibodies iv. sensitization v. costimulation The correct sequence of these steps is