The function of the biceps femoris is to
A. flex the hip and ankle.
B. extend the thigh and flex the leg.
C. flex the thigh and extend the leg.
D. flex the thigh (with no action at the leg).
E. adduct the thigh and extend the knee.
B
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The interconnected, fluid-filled cavities of the brain are called ________.
Fill in the blank(s) with the appropriate word(s).
An increase in venous [H+] as the result of a non-respiratory (or metabolic) cause brings about reflex stimulation of the respiratory center in the hypothalamus
a. True b. False Indicate whether the statement is true or false
All of the following are effects of calcitonin EXCEPT ________
A) decreases in blood calcium levels B) increases in blood calcium levels C) Stimulation of osteoblasts to store calcium D) inhibition of osteoclasts
Matrix metalloproteinases ________.
A. synthesize proteoglycans in the extracellular matrix B. may be active in invasive cancer cells C. produce the basal lamina D. synthesize collagen in the extracellular matrix