Which of the following statements correctly describes nervous tissue?
A. Tissue that has cells and fibers in a matrix
B. Tissue that allows for communication through chemical and electrical signals
C. Tissue that lines and covers all body surfaces
D. Tissue that allows movements through the contraction of cells
Answer: B
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Which of the following bones articulates with the carpals?
A. Radius B. Ulna C. Phalanges D. Fibula E. Humerus
Consistent with Boyle's law, air flows from a region of lower pressure (the atmosphere) into a region of higher pressure within the lungs
Indicate whether this statement is true or false.
The partial pressure of oxygen in the pulmonary veins is
a. about 40 mmHg b. equivalent to alveolar partial pressure c. dramatically different than pulmonary arteries partial pressure d. equivalent to the partial pressure of oxygen in the arteriolar ends of systemic capillaries e. all of the above
On average, about half of the body heat that is lost is due to
a. radiation b. convection c. conduction d. evaporation e. none of these