Describe the three layers of the heart wall.
1. Endocardium
2. Myocardium
3. Epicardium
1. Endocardium—inner layer; smooth to reduce friction
2. Myocardium—middle layer; cardiac muscle; contracts to pump blood
3. Epicardium—outer layer; part of pericardial sac around the heart
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The process of removing wastes from the body is
A) digestion. B) urination. C) elimination. D) respiration.
Lymphocytes generated during an initial infection that circulate in the body for years and quickly destroy that infection if it ever appears again are called ______ cells.
A. killer T B. helper T C. suppressor T D. memory T
The health care provider documents the medical term for enlargement of the spleen as ________.
Fill in the blank(s) with the appropriate word(s).
Anteriorly, the pelvic bones are joined to form the symphysis pubis, an amphiarthrodial joint.
Answer the following statement true (T) or false (F)