The pathway of blood from the heart to the lungs and back to the heart is the ________ circulation.
A. pulmonary
B. systemic
C. cardiac
D. pleural
Answer: A
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What six basic steps are involved in the process of hearing?
The hormone called ________ plays an important role in synchronizing physiological function with the cycle of daylight and darkness
A) melatonin B) inhibin C) melanin D) calcitonin E) hepcidin
Using the figure below, identify the labeled items.
1) Label A: ______________________________
2) Label B: ______________________________
3) Label C: ______________________________
4) Label D: ______________________________
5) Label E: ______________________________
6) Label F: ______________________________
7) Label G: ______________________________
8) Label H: ______________________________
Which portion of the brain adjusts skeletal muscle activity to maintain equilibrium and posture?
A. Cerebellum B. Medulla oblongata C. Pons D. Cerebrum E. Epithalamus