Which of the following is one of the ways carbon dioxide is transported by blood?
a) It is converted to hemoglobin.
b) It is converted to plasma.
c) It is converted to bicarbonate.
d) It is converted to oxygen.
Answer: c) It is converted to bicarbonate.
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The structure that prevents urine from mixing with semen is the ____________________.
Fill in the blank(s) with the appropriate word(s).
Within the axilla, axons of neurons are organized within
A. five divisions-proximal, distal, ulnar, median, and radial divisions. B. five cords-the superior, inferior, medial, lateral, and middle divisions. C. three divisions-the superior, middle, and inferior divisions. D. three cords-the posterior, medial, and lateral cords.
Here is a figure showing major trunk cavities and other structures. What does "B" represent?
A. diaphragm B. mediastinum C. pelvic cavity D. thoracic cavity E. abdominal cavity
Which of the following is not a valve?
a. ileocecal valve b. anal column c. semilunar valve d. uvula