Which cells increase the permeability of blood vessels by releasing histamine?
a) neutrophils
b) eosinophils
c) lymphocytes
d) mast cells
e) macrophages
d
Anatomy & Physiology
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The villi are most developed in the
A) stomach. B) duodenum. C) jejunum. D) esophagus. E) colon.
Anatomy & Physiology
The bony portion of the nasal septum is formed by the
A) nasal bones. B) perpendicular plate of the ethmoid bone and the palatine bones C) perpendicular plate of the ethmoid and the vomer bone. D) vomer and sphenoid bone. E) perpendicular plate of the ethmoid and the sphenoid bone.
Anatomy & Physiology
In a contracted muscle, the A bands do narrow because the length of the myosin myofilaments changes,
Indicate whether the statement is true or false.
Anatomy & Physiology
Platelets are continually produced in the red bone marrow by cells called ________.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology