A tendon sheath is a modification of which structure?
A. A ligament
B. A joint capsule
C. A bursa
D. A tendon
E. A meniscus
C. A bursa
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The volume of the air which remains in the conducting airways and is NOT available for gas exchange is called the
a. vital capacity. b. functional residual capacity. c. anatomic dead space. d. forced expiratory volume. e. residual capacity.
Repair enzymes correct
A) lipofuscin build-up. B) the degeneration of collagen and elastin. C) free radical build-up. D) mutations that occur when DNA replicates.
A major difference between oogenesis and spermatogenesis is that each cycle of oogenesis results in
A. three viable polar bodies, whereas a single cycle of spermatogenesis produces no polar bodies. B. a tiny viable egg, whereas a single cycle of spermatogenesis produces four sperm, each much larger than the egg. C. four viable eggs, whereas a single cycle of spermatogenesis produces only one sperm. D. only one viable egg, whereas a single cycle of spermatogenesis produces four spermatozoa. E. three viable eggs, whereas a single cycle of spermatogenesis produces only one sperm.
Which structure is especially responsible for thermoregulation?
A. Thalamus B. Amygdala C. Primary somatosensory cortex D. Hypothalamus E. Cerebellum