In the diagram of a hair root shown, where is the cuticle of the hair?
a) A
b) B
c) C
d) D
e) E
Answer: c
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What structure allows the diaphysis of the bone to increase in length?
A) epiphyseal plate B) lacunae C) epiphyseal line D) osteon
A 38-year-old male is upset about his low sperm count and visits a "practitioner" who commonly advertises his miracle cures of sterility. The practitioner is a quack who treats conditions of low sperm count with megadoses of testosterone. Although his patients experience a huge surge in libido, their sperm count is even lower after hormone treatment. Explain why.
What will be an ideal response?
Which of the following features is found on both the radius and the ulna?
A. Styloid process B. Coronoid process C. Ulnar notch D. Radial notch E. Deltoid tuberosity
The secretory sacs of the mammary glands are known as the
A. follicles. B. alveoli. C. lactiferous ducts. D. areolar glands. E. vesicles.