In this closeup image of a lung, what structure does number 2 indicate?
A. Respiratory bronchiole
B. Alveolus
C. Terminal bronchiole
D. Bronchiole
E. Alveolar duct
Answer: A
Anatomy & Physiology
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What structure connects the placenta to the embryo?
A) Yolk sac B) Chorion C) Amnion D) Umbilical cord
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Support, attachment of tissues, cushioning and protection are examples of functions for ________ tissue.
A. connective B. epithelial C. nervous D. muscle
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Which of the following blood vessels transports oxygenated blood?
a) inferior vena cava b) pulmonary veins c) superior vena cava d) pulmonary arteries
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All organic compounds contain carbon
Indicate whether the statement is true or false
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