The number of circuits in the circulatory systems of humans is

(a) one.
(b) two.
(c) three.
(d) four.


(b) two.

Biology & Microbiology

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A person with the genotype XXXY would be expected to have how many Barr bodies?

A) 0 B) 1 C) 2 D) 3 E) 4

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In summer, a __________ prevents upper and lower waters from mixing. Fill in the blank(s) with the appropriate word(s)

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The circumcision of males involves the removal of the _____.

A. fourchette B. perineum C. foreskin D. urethra

Biology & Microbiology

A mushroom would produce a sexual spore known as a(n)

A. mycelium. B. hypha. C. conidium. D. ascospore. E. basidiospore.

Biology & Microbiology