When the ventricles contract, the bicuspid (mitral) valve prevents blood from flowing from the:
A) right ventricle to the right atrium
B) left ventricle to the left atrium
C) left atrium to the right atrium
D) right atrium to the left atrium
E) left ventricle to the right ventricle
Ans: B) left ventricle to the left atrium
Anatomy & Physiology
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Cerebrospinal fluid is
A) yellow in the CNS and clear in the PNS. B) white and thick. C) clear and liquid. D) red.
Anatomy & Physiology
Variation in availability of oxygen among different animal habitats affects the ___________ component of Fick's law
a. A b. D c. ?P d. ?X e. none of these.
Anatomy & Physiology
In arthropods the midgut is also referred to as the
a. mesenteron b. antrum c. corpus d. filter chamber e. proctodaeum
Anatomy & Physiology
Histology is the study of the __________.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology