Sodium chloride is considered a(n)
A. molecule.
B. element.
C. compound.
D. molecule and a compound.
E. ion.
C
Anatomy & Physiology
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Regulatory T cells act to
A) inhibit T and B cell activities. B) erase memory T cells. C) limit antigen proliferation. D) suppress antigens. E) produce antibodies involved in autoimmunity.
Anatomy & Physiology
The ________ cavity is inferior to the ________ cavity.
A. thoracic; cranial B. pericardial; pleural C. thoracic; abdominopelvic D. thoracic; peritoneal E. cranial; thoracic
Anatomy & Physiology
The number of ________ determines the chemical activity of an atom.
A. prions B. protons C. neutrons D. electrons
Anatomy & Physiology
As the popliteal vein travels up the leg, it curves to the anterior portion of the thigh and is renamed the ________________ vein
Fill in the blank with correct word.
Anatomy & Physiology