Which of the choices below determines the direction of respiratory gas movement?

A) solubility in water
B) partial pressure gradient
C) the temperature
D) molecular weight and size of the gas molecule


B) partial pressure gradient

Anatomy & Physiology

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The inferior border of the gluteus medius forms the gluteal fold.

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

Anatomy & Physiology

The aortic sinus

A. is the first branch off the ascending aorta. B. gives rise to the right and left coronary arteries. C. contains oxygenated blood. D. All of the above

Anatomy & Physiology

Which labeled structure in the diagram secretes glucagon?

a) A b) B c) C d) D e) E

Anatomy & Physiology

In general, the nervous system does each of the following except

A) help to maintain homeostasis. B) respond rapidly to change. C) direct long-term responses to change. D) direct very specific responses. E) interpret sensory information.

Anatomy & Physiology