Food is prevented from entering the nasal cavity during swallowing by the
A. epiglottis.
B. palatine tonsils.
C. tongue.
D. soft palate.
E. hard palate.
D
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In the plasma, the quantity of oxygen in solution is ________
A) only about 1.5% of the oxygen carried in blood B) not present except where it is combined with carrier molecules C) about equal to the oxygen combined with hemoglobin D) greater than the oxygen combined with hemoglobin
Explain the polar character of an ammonia molecule (NH3). What is the cause of the partial charges? What is the overall charge for NH3?
What will be an ideal response?
When blood supply to the kidneys decreases, they release ________, which leads to secretion of aldosterone from the adrenal cortex.
A. vitamin D B. renin C. erythropoietin D. creatinine
Fibroblasts and protein fibers are associated with both ________ and ________.
A. spongy bone; compact (dense) bone B. elastic cartilage; hyaline cartilage C. plasma; formed elements D. adipose tissue; reticular tissue E. dense regular; dense irregular connective tissues