An increased heart rate can result due to a decrease in parasympathetic stimulation or an increase in sympathetic stimulation of the heart
Indicate whether the statement is true or false
T
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The latchbridge mechanism of myosin heads is a property of ________ muscle
A. cardiac B. skeletal C. smooth
When they leave the red marrow, pre-T-lymphocytes have
A. only the CD4 protein. B. only the CD8 protein. C. both the CD4 and CD8 proteins. D. neither the CD4 nor CD8 protein. E. either the CD4 or CD8 protein.
Most of the joints in the appendicular skeleton are _____ joints
A. fibrous B. immovable C. synovial D. cartilaginous E. inarticulate
Connective tissue proper is divided into two broad categories: loose connective tissue and dense connective tissue. This classification is based upon the
A. relative proportions of cells, fibers, and ground substance present. B. origin of the tissue type. C. location of the tissue. D. size of the cells present. E. number of different cells types and their respective arrangement.