The main nerve involved in inspiration is:

Which of the following is NOT part of our first line of defense?

The amount of air that is moved with normal inspiration or expiration is the:

Select all correct answers. Oxygen has a reduced affinity for Hemoglobin (increased delivery to the tissues) under conditions of:

The redness and heat of an inflamed area is caused by:

Which plasma protein is the most abundant and is a major contributer to blood’s colloid osmotic pressure?

Hematocrit refers to the percentage of _______________ in the blood and averages about ____________.

Heparin from basophils and mast cells and antithrombin from the liver  are ____________   and    _____________.

Immature RBC’s which have ribosome clusters but no longer have nuclei and are normally released into the circulation in small quantities are ________.

Which istrue of mature erythrocytes?