Chyme forms in the stomach, not in the mouth or esophagus
Indicate whether the statement is true or false
T
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The hormone ANP causes systemic blood vessels to
A. constrict, which raises blood pressure. B. constrict, which lowers blood pressure. C. dilate, which raises blood pressure. D. dilate, which lowers blood pressure.
The highest concentration of mitochondria per unit volume can be found in
A) The glycolytic muscle fibers in the leg of an Olympic sprinter. B) The flight muscles of insects and hummingbirds. C) The glycolytic muscle fibers in the white breast meat of a chicken. D) The glycolytic muscle fibers in the back of a weight lifter.
Some amino acids can be synthesized by the body. Such an amino acid would be classified as a nonessential nutrient.
Answer the following statement true (T) or false (F)
Rigor mortis occurs following death because
a. tropomyosin remains over the myosin binding sites of actin. b. myosin heads attach to actin and are not released due to lack of ATP. c. the myosin becomes misshapen. d. all of the Ca2+ remains within the sarcoplasmic reticulum.