The SA node is located in the ________.
A. right atrium near the junction with the interatrial septum
B. right atrium near the junction with the interventricular septum
C. left atrium near the junction with the interventricular septum
D. right atrium at the junction of the superior vena cava
Answer: D
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Fill in the blank(s) with correct word
The life span of plasma cells is measured in years
Indicate whether the statement is true or false
Which of the following brain regions does NOT belong with the others?
A) medulla oblongata B) midbrain C) pons D) thalamus
A breathing pattern that eliminates too much CO2 is called hyperventilation.
Indicate whether the statement is true or false.