Author: Anonymous

Macrophages develop from circulating blood cells called:

The exchange of gases that occurs during external respiration takes place in the:

Determine if the underlined portion of the statement is true or false. Bradycardia indicates a rapid heart rate over 100 beats per minute.

In the war against pathogens T cells may be considered the warriors or foot soldiers because they leave the tissues to destroy the enemy but B cells use chemical warfare and are able to stay safely behind in the lymphatic tissue and send antibodies out to do the dirty work.

Is the illustration below an artery or a vein?

In various nephrons, ____________ form a network around the convoluted tubules; surrounding the nephron loop are capillaries called the ____________.

Which of the following substances is found in plasma but is not usually in the tubular fluid?

The pulse rate is a direct reflection of the:

During late development the foramen ovale will develop into a one way flap or valve. This will slam shut with the first few breaths and become the __________________ in the newborn.

Memory T cells produce antibodies.