Energy for contraction of myocardial cells comes primarily from

A. aerobic respiration in the mitochondria.
B. anaerobic respiration in the cytosol.
C. glycolysis in the cytosol.
D. ATP that is stored while the heart is not contracting.
E. creatine phosphate.


A

Anatomy & Physiology

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Before beginning orthodontic treatment, a patient may have her wrist and hand x-rayed to determine her stage of growth. What feature of the long bones will the orthodontist use to assess this?

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Indicate whether the statement is true or false

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