In the single circulation of a fish, _______ and _________ are present.

A. one atrium, one ventricle
B. two atria, one ventricle
C. two atria, two ventricles
D. one atrium, two ventricles
E. no atrium, one ventricle


A. one atrium, one ventricle

Biology & Microbiology

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a. simple squamous epithelium b. stratified squamous epithelium c. cuboidal epithelium d. simple columnar epithelium e. simple pseudostratified columnar epithelium

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Lemurs are in the suborder:a

Tarsiformes b. Prosimii c. Anthropoidea d. Hominoidea e. Pithecinae

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The human body’s “thermostat” is the hypothalamus

____________________ Indicate whether the statement is true or false.

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