Which of the following is the correct sequence of parts through which blood moves from the vena cava to the lungs?
A. Right atrium, tricuspid valve, right ventricle, pulmonary valve
B. Right ventricle, tricuspid valve, right atrium, pulmonary valve
C. Right ventricle, pulmonary valve, right atrium, tricuspid valve, right ventricle
D. Right atrium, pulmonary valve, right ventricle, tricuspid valve
Answer: A
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A. 16 B. 8 C. 4 D. 32 E. 64
Which of the following is not true of the pineal gland?
A) It produces melatonin. B) It is located in the brain. C) It helps regulate the body's "biological clock." D) All of the above are true of the pineal gland.
Which of the following parts of the kidney is actually an expansion of the upper end of the ureter?
A) Renal pelvis B) Renal medulla C) Renal cortex D) Calyx
Muscles that have a fine degree of control have small motor units
Indicate whether the statement is true or false