Energy input equals energy output. This statement is known as the

A) second law of thermodynamics.
B) law of mass balance.
C) first law of thermodynamics.


C) first law of thermodynamics.

Anatomy & Physiology

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What structure prevents food and drink from entering the trachea, conducts air, and produces sound?

A. Larynx B. Pharynx C. Nasal cavity D. Esophagus E. Bronchi

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Which of the following is a rare, benign muscle tumor usually found in various head and neck muscles?

A. Contracture B. Charley horse C. Rhabdomyoma D. Rhabdomyosarcoma

Anatomy & Physiology

The hearts nodal cells have a more negative resting potential than neurons do, because nodal cells lack leak channels for sodium and potassium ions

Indicate whether this statement is true or false.

Anatomy & Physiology

How many cell divisions occur in meiosis?

A. One B. 23 C. None D. Two

Anatomy & Physiology