Blood enters the right atrium from the:

A) pulmonary trunk (pulmonary arteries)
B) superior and inferior vena cava, and coronary sinus
C) pulmonary veins
D) ascending aorta


Answer: B) superior and inferior vena cava, and coronary sinus

Anatomy & Physiology

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Indicate whether the statement is true or false

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Polycythemia would be induced by ________ in the blood.

A. decreased carbon dioxide B. decreased oxygen C. increased oxygen D. increased infection

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The scapula is part of the ________ girdle.

Fill in the blank(s) with the appropriate word(s).

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The limbs of the body are attached to the axis and make up the

A. appendicular region. B. axial region. C. antebrachial region. D. abdominal region. E. thoracic region.

Anatomy & Physiology