The entire space between the pleural cavities containing only the heart, great vessels, thymus, trachea and esophagus is called the
A) pericardial cavity.
B) mediastinum.
C) thoracic cavity.
D) anterior cavity.
E) abdominopelvic cavity.
Answer: B
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The insertion of the anterior part of the frontalis muscle is the
A) temporal bone. B) epicranial aponeurosis. C) occipital bone. D) skin of the eyebrow and the bridge of the nose. E) coronoid process of the mandible.
Labor is regulated by
A) prolactin. B) negative feedback control. C) estrogen. D) positive feedback control.
To date, __________ classes of antifreeze proteins have been identified
A) 2 B) 3 C) 4 D) 5 Fill in the blank with the correct answer.
Diapedesis is
a. the process of white blood cells engulfing and destroying invading organisms b. the process of leukocytes squeezing through pores of the capillary wall into the surrounding interstitial fluid c. the attraction of white blood cells to areas of injury, inflammation, and bacterial invasion d. a feature exhibited by platelets e. the linking together of a foreign cell and a phagocytic cell