The primary function of the cardiovascular system is:
a. body temperature regulation
b. transportation of materials
c. regulation of the immune system
d. none of the above
b. transportation of materials
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Allosteric modulation of a protein involves noncovalent binding of a ligand to a regulatory binding site.
Answer the following statement true (T) or false (F)
Yellow bone marrow contains a large percentage of ________.
A) fat B) blood-forming cells C) elastic tissue D) Sharpey's fibers
The Hering-Breuer reflex
A) alters pulmonary ventilation when the PCO2 changes. B) is an important aspect of normal, quiet breathing. C) functions to increase ventilation with changes in blood pressure. D) prevents overexpansion of the lungs. E) alters pulmonary ventilation when the PO2 changes.
Which of the following matrix molecules tends to trap large quantities of water?
A. reticular fibers B. collagen C. proteoglycan D. elastin E. hyaluronic acid