During muscle contraction by the sliding filament mechanism, thin filaments are pulled towards the
a) Z disc.
b) H zone.
c) M line.
d) A band.
e) I band.
c
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What is the approximate number of red blood cells in 1 mm3 of blood?
A. 1 million B. 3 million C. 5 million D. 7 million
List three factors that increase the rate of chemical reactions
What will be an ideal response?
Blood leaves the right ventricle through which valve?
A. Pulmonary semilunar B. Pulmonary tricuspid C. Tricuspid D. Bicuspid E. Aortic semilunar
Which of the following statements is not true of mucous connective tissue?
A. It is a type of embryonic connective tissue that gives rise to most adult connective tissue types. B. It is an embryonic connective tissue that supports the vascular connection between the mother and the fetus. C. It is an important component of the umbilical cord. D. It can be an important source for stem cells.