What type of joint is found between the costal cartilage of the first rib and the sternum?
A. A synchondrosis
B. A symphysis
C. A synarthrosis
D. A syndesmosis
E. A synostosis
A. A synchondrosis
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The connective tissue wrapping that surrounds bundles (fascicles) of axons is the
A. epineurium. B. endoneurium. C. perineurium. D. endosteum. E. periosteum.
Spermatogenesis is regulated by ________.
A. progesterone B. FSH C. testosterone and its derivatives D. growth hormone
Name the type of cell that assists the discharge of merocrine secretions, and list the glands in which such cells are present
A) arrector pili cell; apocrine and eccrine sweat glands B) arrector pili cell; apocrine and eccrine sweat glands, mammary glands, lacrimal glands, and salivary glands C) myoepithelial cell; apocrine and eccrine sweat glands D) myoepithelial cell; apocrine and eccrine sweat glands, mammary glands, lacrimal glands, and salivary glands E) goblet cell; apocrine and eccrine sweat glands
In order to retain heat, what occurs in the skin on a cold day?
A. Blood vessels of the dermis constrict. B. Blood vessels of the dermis dilate. C. Blood vessels of the epidermis constrict. D. Blood vessels of the epidermis dilate.