PCO2 tends to be ________ in tissues than in systemic capillaries.
Fill in the blank(s) with the appropriate word(s).
higher
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Which valve prevents the backflow of blood into the left ventricle when the ventricles relax?
A. Left atrioventricular valve B. Aortic semilunar valve C. Right atrioventricular valve D. Pulmonary semilunar valve E. None of the choices is correct.
Which of the following is a lung disease marked by abnormally few but large alveoli?
A. Cor pulmonale B. Pulmonary hemosiderosis C. Emphysema D. Atelectasis E. Collapsed lung
The ________________________________________ work to regulate the amounts of sodium, chloride, and potassium
Fill in the blank(s) with correct word
What solute is primarily responsible for producing the osmotic gradient that drives water reabsorption?
A) potassium B) phosphate C) chloride D) calcium E) sodium