What vessel delivers oxygenated blood to systemic capillaries for gas exchange?
A) aorta B) coronary artery C) pulmonary trunk D) circumflex artery
Answer: A
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In which part of the cell cycle do chromosomes align along the equator?
A. Anaphase B. Metaphase C. Prophase D. Interphase E. Telophase
Increased activity in the cells of the ventral respiratory group of the medullary respiratory center is expected to produce
A. increases in the contraction of the external intercostals muscles. B. increases in the contraction of the internal intercostals muscles. C. increased contraction of the abdominal muscles. D. All of these changes. E. no change in breathing whatever.
Describe the pathway for urine through the nephron.
What will be an ideal response?
The thyroid gland is attached to the trachea just above the larynx.
a. true b. false