Which statement regarding respiration is true?
A) The sternocleidomastoid muscle elevates the rib cage.
B) Internal intercostal muscles elevate the rib cage.
C) The rectus abdominis muscle elevates the rib cage.
D) The external intercostal muscles lower the rib cage.
E) Elevation of the rib cage decreases the volume of the thoracic cavity.
A) The sternocleidomastoid muscle elevates the rib cage.
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Define the peripheral nervous system
What will be an ideal response?
Which statement about platelets is incorrect?
a. They are produced in the bone marrow. b. They form the meshwork of a blood clot in which other cellular elements become entrapped. c. They form a plug when they adhere to the exposed collagen of a damaged vessel. d. When aggregated, they release thromboxane A2 that promotes secretion of ADP. e. When aggregated, they release ADP, which causes the surface of nearby circulating platelets to become sticky so that they also adhere to the enlarging platelet plug.
Which type of epithelium primarily lines the respiratory passageways?
-Simple squamous -Stratified squamous -Simple columnar -Pseudostratified ciliated columnar
The plasma membrane of an axon is called the
A) axon hillock. B) axoplasm. C) axolemma. D) axon terminal. E) axokaryon.