There is a smooth muscle layer in the walls of all blood vessels except

1.veins.
2.capillaries.
3.arterioles.
4.arteries.
5.None of these is correct; all vessels have a smooth muscle layer.


4

Anatomy & Physiology

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The folds of the internal membrane of a mitochondrion are called

A.  matrix. B.  vesicles. C.  vacuoles. D.  cristae. E.  cisternae.

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Answer the following statement true (T) or false (F)

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A) phospholipids B) cytoskeleton C) cholesterol D) glycoproteins

Anatomy & Physiology