What action(s) do the gracilis, hamstring, and sartorius muscles perform on the lower leg?
A. flex the leg at the knee joint
B. extend the leg at the knee joint
C. a and b
D. The muscles listed do not move the lower leg.
Answer: A
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The amount of energy (measured in calories) required to increase the temperature of 1 gram of a substance by 1 degree Celsius is known as ________.
Fill in the blank(s) with the appropriate word(s).
Goblet cells are classified as
A) compound tubular glands. B) compound alveolar glands. C) simple alveolar glands. D) simple tubular glands. E) unicellular exocrine glands.
Which of the following anatomical features of bones is correctly matched with its function?
A. foramen - a hole for a blood vessel B. tubercle - lining of a joint C. sinus - a tunnel in a bone D. foramen - a depression in a bone E. body - attachment point for a tendon or ligament
Select the correct statement regarding adipose tissue.
A) It is composed mostly of extracellular matrix. B) Its primary function is nutrient storage. C) Mature adipose cells are highly mitotic. D) Most of the cell volume is occupied by the nucleus.