Which carries oxygenated blood toward the heart?
A. Vena cavae
B. Pulmonary arteries
C. Pulmonary veins
D. Aorta
Answer: C
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A brush border of microvilli is found in __________ epithelium, which can be found in the __________.
A. pseudostratified; nasal cavity B. simple cuboidal; esophagus C. simple columnar; small intestine D. stratified squamous; anal canal E. stratified squamous; esophagus
The sympathetic division of the ANS causes __________ of airway smooth muscle; therefore, resistance is __________.
relaxation; increased constriction; increased constriction; decreased relaxation; decreased none of the choices are correct
Typically, the heart rate increases during inspiration, and decreases during expiration.
Answer the following statement true (T) or false (F)
The adrenal cortex is composed of how many layers of tissue which differ in their histology and hormone output?
a) 4 b) 2 c) 3 d) 5