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Answers Lab02 HeartAnatomy

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Answers Lab02 HeartAnatomy
M30_MARI0000_00_SE_CH30.qxd

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3/29/11

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R E V I E W

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S H E E T
NAME ____________________________________

EXERCISE

LAB TIME/DATE _______________________

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

a

j

2. right ventricle

b

r

3. left atrium

u

4. left ventricle

b

5. superior vena cava

k

6. inferior vena cava

l m n

c

o

d

p q e

r f d

7. ascending aorta

n

8. aortic arch

a

9. brachiocephalic artery g

s

h

l

m

e

10. left common carotid artery
11. left subclavian artery t

i u j v w k 12. pulmonary trunk

x

c

13. right pulmonary artery p

14. left pulmonary artery

o

15. ligamentum arteriosum

t

20. left coronary artery

f

16. right pulmonary veins

s

21. circumflex artery

q

17. left pulmonary veins

w

22. anterior interventricular artery

h

18. right coronary artery

x

23. apex of heart

i

19. anterior cardiac vein

v

24. great cardiac vein

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M30_MARI0000_00_SE_CH30.qxd

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2. What is the function of the fluid that fills the pericardial sac? To reduce friction during heart activity

3. Match the terms in the key to the descriptions provided below.

Key:

f

1. location of the heart in the thorax

a.

atria

a

2. superior heart chambers

b.

coronary arteries

h

3. inferior heart chambers

c.

coronary sinus

e

4. visceral pericardium

d.

endocardium

a

5. “anterooms” of the heart

e.

epicardium

g

6. equals cardiac muscle

f.

mediastinum

b

7. provide nutrient blood to the heart muscle

g.

myocardium

d

8. lining of the heart chambers

h.

ventricles

h

9. actual “pumps” of the heart

c

10. drains blood into the right atrium

4. What is the function of the valves found in the heart? They enforce a one-way flow of blood through the heart.

5. What is the role of the

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