Standing on tiptoes is an example of a:
A) first-class lever system.
B) second-class lever system.
C) third-class lever system.
D) lever system demonstrating mechanical disadvantage.
Answer: B
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In most tissues, glucose, a water-soluble substance, crosses capillary walls through
a. water-filled pores b. endothelial cells c. sinusoids d. a and b e. a and c
All of the following are characteristics of synovial membrane except that it
A) develops within a connective tissue. B) is avascular. C) has no basement membrane. D) has gaps of up to 1 mm between adjacent cells. E) is continually exchanging fluid and solutes between its fluid and the blood.
The medial malleolus
A. is the proximal portion of the tibia. B. forms the medial side of the ankle joint. C. articulates with the calcaneus. D. is part of the arch of the foot. E. is on the lateral side of the leg.