Which type of cell breaks down bone tissue?
A. Osteoclast
B. Adipocyte
C. Mast cell
D. Macrophage
E. Stem cell
Answer: A
You might also like to view...
Choose a correct sequence of blood flow during one pass through the heart and lungs (some steps may have been omitted):
a. Right atrium?bicuspid valve?pulmonary vein b. Aortic valve?right ventricle?lung c. Lung?pulmonary artery?left atrium d. Right ventricle?bicuspid valve?aortic valve e. None of the above sequences are correct
Lungs in fish originally evolved as a simple evagination of the
a. gills. b. integument. c. buccal cavity. d. pharynx. e. digestive system.
The opposite of extension is ________.
A. pronation B. inversion C. protraction D. flexion E. elevation
Stimulation of ?1 receptors present on smooth muscle cells of blood vessels to the skin by norepinephrine results in:
A) vasodilation. B) bronchodilation. C) vasoconstriction. D) sweating.