Exercise 30 Anatomy of the Heart

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Anatomy of the Heart
Gross Anatomy of the Human Heart
1. An anterior view of the heart is shown here. Match each structure listed on the left with the correct letter in the figure.
G

1. right atrium 2. right ventricle 3. left atrium

a b

J R U B K D N A

c

o

4. left ventricle 5. superior vena cava 6. inferior vena cava 7. ascending aorta 8. aortic arch 9. brachiocephalic artery 10. left common carotid artery 11. left subclavian artery 12. pulmonary trunk 13. right pulmonary artery 14. left pulmonary artery 15. ligamentum arteriosum 16. right pulmonary veins 17. left pulmonary
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A simple schematic of a so-called general circulation is shown below. What part of the circulation is missing from this diagram?
Pulmonary circulation

Add to the diagram as best you can to make it depict a complete

systemic/pulmonary circulation. Label the systemic and pulmonary circulations.

pulmonary veins heart pulm. arteries
Heart

Systemic arteries Systemic capillaries Systemic veins

pulmonary circulation

systemic sirculation

202

Review Sheet 30

7. Differentiate clearly between the roles of the pulmonary and systemic circulations.

Differences include pulmonary

circulation is strictly to provide gas exchange in the lungs, whereas the systematic circulation provides the functional blood supply to all body tissues.
8. Complete the following scheme of circulation of a red blood cell in the human body. Right atrium through the tricuspid valve to the

right ventricle

, through the

pulmonary
, to the capillary of the heart, through

semilunar beds of the lungs, to the the

valve to the pulmonary trunk, to the

pulmonary arteries

pulmonary veins valve to the

, to the

left atrium
, through the

bicuspid aorta

left ventrical

aortic semilunar of the , and

valve to the

, to the systemic arteries, to the

capillary beds

tissues, to the systemic veins, to the

superior vena cava

,

inferior vena cava

coronary sinus & cardiac veins

entering the right
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