Human muscles contain both fast-twitch and slow-twitch muscle fibers in equal amounts.

a. True
b. False


b. False

Anatomy & Physiology

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Viruses have cell walls

Indicate whether the statement is true or false

Anatomy & Physiology

The dominant inorganic cation in blood is

a. Na+ b. Cl- c. K+ d. HCO3- e. Ca2+

Anatomy & Physiology

True or False?  The enteric nervous system acts independently of the CNS to control local reflexes in the digestive tract.

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

Anatomy & Physiology

The main reason the interior of the cell is negative at rest is because

A) The membrane is more permeable to Na+ than any other ion. B) The membrane is more permeable to K+ than any other ion. C) The Na+/K+ pump is electrogenic. D) It contains a much higher concentration of Cl-.

Anatomy & Physiology