Magnetic resonance imaging is based on the movement of
A. electrons in a magnetic field.
B. carbons in a magnetic field.
C. protons in a magnetic field.
D. cells in a magnetic field.
C
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________ are arranged within a lobule of the liver into a series of irregular plates converging toward a central vein
A) Stellate macrophages B) Hepatocytes C) Bile canaliculi D) Portal areas E) Hepatic ducts
The ________________________________________ is a thin connective tissue that covers bones
Fill in the blank(s) with correct word
The origin of a muscle is its
a. main, thick part of this structure. b. middle, thin part of this structure. c. movable end of attachment. d. source of development in the fetus. e. stationary end of attachment.
Semen is
A. produced solely by the testis. B. a vaginal secretion needed to activate sperm. C. sperm cells plus the secretions of accessory glands. D. responsible for engorgement of erectile tissue of the penis. E. is composed only of sperm cells.