The pigment melanin is a(n)
A. membrane-bound organelle.
B. non-membrane-bound organelle.
C. inclusion.
D. nutrient.
E. triglyceride.
C
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Which is not a function of synovial fluid?
A. Nourishes osteocytes B. Removes wastes C. Distributes stress forces across articular surfaces D. Serves as shock absorber E. Lubricates articulating surfaces
In these views of the larynx, what structure does number 2 indicate?
A. Cricothyroid muscle B. Thyrohyoid muscle C. Hyoid bone D. Cricoid cartilage E. Thyroid cartilage
____________are often called extremophiles, because they can survive in some of the harshest environments on earth
Fill in the blank with the correct word.
Movement of food through the digestive tract results from the action of
A. smooth muscle. B. undifferentiated muscle. C. voluntary muscle. D. skeletal muscle. E. cardiac muscle.