Which muscles arise from the skull and often attach to the skin?
A. Muscles of mastication
B. Muscles of facial expression
C. Extrinsic eye muscles
D. Muscles of the pharynx
E. Muscles that move the tongue
Answer: B
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When arterioles constrict, it raises arterial blood pressure and increases the volume of forward flow into the veins, while constriction in veins reduces forward flow by decreasing pressure in the atria.
Answer the following statement true (T) or false (F)
The physical process by which a single animal cell separates into two cells is called
A) cytosis. B) mitosis. C) cytokinesis. D) phoresis. E) meiosis.
The cremaster muscle can raise and lower the testes to regulate
A) temperature. B) expansion. C) erection. D) pH. E) size.
A patient was recently diagnosed with cardiovascular disease. Which of the following lifestyle choices could have contributed to this poor health outcome?
A. A high-fiber diet B. A 30-year smoking habit C. Being a vegetarian D. Low saturated fat intake