The main function of serous fluid is to
A. lubricate and reduce friction between pleural membranes around the lung.
B. improve adhesion of the lungs to the thoracic wall.
C. facilitate the diffusion of oxygen across the respiratory membrane.
A
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The primary function of the lens of the eye is to
A) provide the coloring of the eye. B) focus the visual image on the retinal photoreceptors. C) maintain the shape of the eye. D) focus the visual image onto the optic disc. E) All of the answers are correct.
The nerve fibers in the dermis stimulate
A) muscles and glands in the dermis. B) blood vessels in the epidermis. C) melanocytes in the epidermis. D) fat cells in the subcutaneous layer.
The building blocks for peptides are _______.
A) nucleic and amino acids B) amino acids C) maltose D) nucleic acids E) glucose
________ anatomy is the study of structures visible to the naked eye.
Fill in the blank(s) with the appropriate word(s).