Blood Tracing- The Thoracic Aorta

Question 1

As the aorta leaves the heart, the upward part is called the ascending aorta. The curved part is called the arch of the aorta and the descending part, down to the diaphragm, is called the ______ _____.

Answer 1

Thoracic Aorta

Question 2

The throacic aorta has many small branches which may be divided into two main groups, the 1. ____ ____, which supply blood to the viscera of the chest and the 2. ____ ____ which supply blood to the walls of the chest cavity.

Answer 2

1. Visceral Arteries
2. Parietal Arteries

Question 3

The visceral arteries branching from the thoracic aorta are the 1. ____ ____, the 2. ____ _____, and the 3._____ ______. Each branch extends to the structure named.

Answer 3

1. Bronchial Arteries
2. Esophageal Arteries
3. Pericardial Arteries

Question 4

The parietal arteries branching from the thoracic aorta are the 1. ____ ____ and the 2. ____ ____ _____.

Answer 4

1. Intercostal Arteries
2. Superior Phrenic Arteries

Question 5

The intercostal arteries lead to the skin and muscles of the 1. _____ ____, while the superior phrenic arteries lead to the upper surface of the 2.______.

Answer 5

• Chest Wall
• Diaphragm

Question 6

The blood flows from the thoracic aorta through the visceral and parietal arteries, though the arterioles and capillaries to the body parts and then into the ____ and ____.

Answer 6

Venules and Veins

Question 7

From the upper surface of the diaphragm, the blood flows into the ____ ____ ____.

Answer 7

Superior Phrenic Veins

Question 8

From the superior phrenic veins, the blood flows into the ___ _____ ____.

Answer 8

Left Innominate (Brachiocephalic) Vein

Question 9

The blood flows from the pericardium through the

1. ___________ ____, and from the esophagus though the 2. __________ _____.

Answer 9

1. Pericardial Veins
2. Esophageal Veins

Question 10

Both the espophageal veins and the pericardial veins empty into the ___ __________ ____.

Answer 10

Left Innominate Vein

Question 11

From the left innominate vein the blood flows into the ____ ___ ____, and then to the right atrium of the heart.

Answer 11

Superior Vena Cava

Question 12

The blood flows to the bronchi though the broncial arteries. The blood flows from the bronchi though the ____ _____.

Answer 12

Bronchial Veins

Question 13

The blood flows to the muscles and skin of the chest wall through the intercostal arteries and from there through the ____ _____.

Answer 13

Intercostal Veins

Question 14

The blood flows from the bronchial veins and from the intercostal veins through the ___ _____.

Answer 14

Azygos Vein

Question 15

From the azygos vein the blood flows into the ___ ___ ____.

Answer 15

Superior Vena Cava

Question 16

From the superior vena cava, the blood flows into the ___ ___.

Answer 16

Right Atrium