The vessel which leaves the heart, taking O 2 -rich blood to the body,

The major arteries leaving the heart are the pulmonary trunk and the aorta. The pulmonary trunk takes O 2 poor blood to the lungs; the aorta takes O 2 rich blood to the body. Arteries have a thick muscle and elastic layer as compared to veins.

The vessel which leaves the heart, taking O 2 -rich blood to the body,

The major arteries leaving the heart are the pulmonary trunk and the aorta. The pulmonary trunk takes O 2 poor blood to the lungs; the aorta takes O 2 rich blood to the body. Arteries have a thick muscle and elastic layer as compared to veins.

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The Vessel Which Leaves the Heart, Taking O₂-Rich Blood to the Body

Question 16

Multiple Choice

The vessel which leaves the heart, taking O₂-rich blood to the body,

A) is large in diameter with a thick muscle and elastic layer.
B) is called the pulmonary trunk.
C) has many valves along its length to assist in blood flow.
D) is comprised of a single layer of thin epithelial cells.
E) is called the superior vena cava.

Correct Answer: