The muscularis externa, the major smooth muscle coat of the digestive tube, surrounds the submucosa
a. True
b. False
Indicate whether the statement is true or false
True
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Bone is a connective tissue that provides support for the body with its strength and rigidity. Which of the following provides the best explanation for how this is so?
A) Bone cells are very dense and therefore resist physical stress. B) Bones cells secrete an extracellular matrix that when combined with minerals becomes rock hard. C) Bone cells have extensive cytoskeleton that makes them ridged. D) The bone cell's plasma membrane contains a high degree of cholesterol that stabilizes the cell membrane, giving it strength.
If an incision had to be made in the small intestine to remove an obstruction, the first layer of tissue to be cut would be the ________
A) muscularis externa B) mucosa C) serosa D) submucosa
The ankle joint is the only joint that makes the movements "dorsiflexion" and "plantar flexion."
Answer the following statement true (T) or false (F)
The resting membrane potential is mainly determined by __________.
A)the differential permeability of the plasma membrane to K+ and other ions B)the concentration of Cl- C)the concentration of protein anions outside the cell D)the concentration of Na+