Which bone is unpaired?
A. Palatine
B. Lacrimal
C. Vomer
D. Maxilla
E. Inferior nasal concha
Answer: C
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Compared to young adults, older individuals have relatively less red bone marrow
Indicate whether this statement is true or false.
Match the following:
A) AV node B) Purkinje fibers C) AV bundle D) SA node 1) The pacemaker of the heart. 2) Found in the interventricular septum. 3) Network found in the ventricular myocardium. 4) The point in the conduction system of the heart where the impulse is temporarily delayed.
The origin is
A. the end of the muscle where the action occurs. B. the stationary end of the muscle. C. a group of muscles that work together to cause movement. D. the muscle that does most of the movement. E. a muscle working in opposition to another muscle.
Which of the following substances that contributes to skin color is of dietary origin?
A. Carotene B. Collagen C. Melanin D. Hemoglobin E. Bilirubin