Deoxygenated blood is initially collected by the:

a. dorsal aorta.
b. sinus venosus.
c. atrium.
d. bulbus arteriosus.
e. vena cava.


B

Biology & Microbiology

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Which mechanoreceptor(s) responds to vibrations?

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In which of the following habitat types would species diversity be expected to be relatively low?

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Why do scientists apply the concept of maximum parsimony?

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