Which of the following is composed of epithelial tissue?
a. epidermis
b. dermis
a. epidermis
Anatomy & Physiology
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A collection of nerve cell bodies within the peripheral nervous system is a:
a. ganglion b. nucleus c. tract d. plexus
Anatomy & Physiology
Within the peripheral nervous system, the myelin sheath is formed by
A. Schwann cells. B. astrocytes. C. oligodendrocytes. D. microglial cells.
Anatomy & Physiology
During an inflammatory reaction, macrophages release ________, chemicals that prompt bone marrow to produce more leukocytes.
A. colony-stimulating factors B. karyocyte growth factors C. leukokinins D. histamines E. bradykinins
Anatomy & Physiology
What regulatory proteins can be found in the thin filaments of skeletal muscle fibers?
a) troponin and titin b) tropomyosin and troponin c) myosin and titin d) titin and tropomyosin e) tropomyosin and myosin
Anatomy & Physiology