For the following, match the term with the best description.A. A characteristic of aging arteriesB. Produced by turbulent blood flowC. Blood flow is directly proportional to pressure differences and inversely proportional to resistanceD. As pressure in a vessel decreases, the force holding it open decreases, and the vessel tends to collapseE. A characteristic of the venous systemKorotkoff sounds
Fill in the blank(s) with the appropriate word(s).
Answer: B
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Which of the following gives a cell structural support, determines the shape of a cell, and directs the movement of substances through a cell?
A. Cholesterol B. The nucleus C. The plasma membrane D. The Golgi complex E. The cytoskeleton
Bronchioles differ from bronchi in that bronchioles ____________.
a. lack cartilage in their walls b. are lined by ciliated epithelium c. are wider in diameter d. carry oxygenated air towards the alveoli e. filter, warm, and humidify air
A __________ tool may be used to trim a bird's beak
Fill in the blank(s) with correct word
Areas of the nervous system known as ____ consist of nerve cells bodies and dendrites
a. white matter b. ganglia c. tracts d. gray matter