What part of the tooth bears the force of chewing?
A) crown
B) enamel
C) pulp
D) cementum
B) enamel
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The gastrocolic reflex
A. usually occurs during or immediately after a meal. B. propels fecal material toward the rectum. C. generally occurs two or three times per day. D. involves mass movements generated by the teniae coli. E. All of the choices are correct.
Which protist is best described by its lifestyle?
A) Euglena have features of animals and fungi. B) Paramecium are ciliated hunters. C) Plasmodium are free-living animal-like protists. D) Amoebas are sedentary photosynthetic protists.
A sarcomere is best described as
A) a unit within a muscle fiber. B) a group of fascicles. C) a group of muscle fibers. D) a part of the sarcoplasmic reticulum.
All of the following muscles make up the hamstring except which one?
A. Biceps femoris B. Gracilis C. Semitendinosus D. Semimembranosus