The upper chambers of the heart are _____ and _____.
A) atria; pump blood within the heart
B) atria; pump blood out of the heart
C) ventricles; pump blood within the heart
D) venticles; pump blood out of the heart.
Answer: A) atria; pump blood within the heart
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Which does not correctly pair a movement with its opposing movement?
A. Flexion - extension B. Abduction - adduction C. Pronation - supination D. Elevation - retraction E. Dorsiflexion - plantar flexion
Which of the following are most closely involved with somatic sensory neurons?
A) proprioceptors B) interoceptors C) exteroceptors D) bipolar neurons E) visceral sensory neurons
The marrow spaces of spongy bone are filled with:
a. red bone marrow b. air c. yellow bone marrow d. mesenchyme
The secretory sacs of the mammary glands are known as the
A. follicles. B. alveoli. C. lactiferous ducts. D. areolar glands. E. vesicles.