__________ is an inflammation of the pleural sac and leads to by painful breathing because each inflation and each deflation of the lungs cause a "friction rub."
Fill in the blank(s) with correct word
Pleurisy
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Prostaglandins play a role in ________
A) noninflammatory responses B) control of blood volume C) skeletal muscle contraction D) control of blood pressure
The basic difference between spermatogenesis and oogenesis is that ________
A) in oogenesis, one mature ovum is produced, and in spermatogenesis four mature sperm are produced from the parent cell B) during spermatogenesis two more polar bodies are produced C) the mature ovum is n, while the sperm is 2n D) spermatogenesis involves mitosis and meiosis, but oogenesis involves meiosis only
All of the following items are composed of matter except which one?
A. All of the answer choices have matter. B. The air we breathe C. The fumes emitted from a vehicle D. The steam formed from boiling water
Which of the following is a stimulus for erythropoiesis?
a) reduced availability of oxygen b) reduced carbon dioxide availability c) leukemia d) high hematocrit