Which tonsils sit at the base of the tongue?
A) lingual
B) laryngeal
C) pharyngeal
D) palatine
A
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In regards to hair cells involved in vertebrate hearing organs, we know that
A) Stereocilia are connected to each other by small fibers. B) Mechanosensitive ion channels at the tips of stereocilia are all closed at rest. C) The 9 + 2 arrangement of stereocilia allow for free bending to improve sound resolution. D) Their bending always causes an increase in firing in the primary afferent.
A structure that is not included in the respiratory system is the:
a. nose b. esophagus c. trachea d. lungs
How can we be almost certain that the earliest tetrapods had a transversus abdominis component of their hypaxial musculature, as in living tetrapods?
What will be an ideal response?
The subcutaneous layer is
A. made of squamous epithelium. B. not part of the skin. C. between the epidermis and the dermis. D. part of the basement membrane.