Choose the correct order of the chambers through which oxygen-poor blood flows in an amphibian heart
a. atrium ? ventricle ? sinus venosus ? conus arteriosus
b. atrium ? conus arteriosus ? ventricle ? sinus venosus
c. sinus venosus ? atrium ? ventricle ? conus arteriosus
d. conus arteriosus ? atrium ? sinus venosus ? ventricle
e. ventricle ? atrium ? conus arteriosus ? sinus venosus
c
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Ras is to Raf, as MEK is to
A) Ras. B) tyrosine. C) MAPK. D) Cdc. E) cell growth.
Which of the following is found in an open
circulatory system but NOT a closed circulatory system?
a. cavities in body tissues b. capillaries c. a heart or hearts d. a single vascular circuit e. more than one of these is found in an open circulatory system but NOT in a closed circulatory system
Which term describes the long spongy bodies under the labia majora that run from the tip of the clitoris to either side of the vagina?
A. Seminiferous tubules B. Fallopian tubes C. Vasa deferentia D. Crura
Which part of the brain is involved in sensory adaptation?
A. pons B. cerebellum C. thalamus D. medulla oblongata E. ventricles