CHAPTER 19

Question 1

Arteries transport blood

Answer 1

away from the heart

Question 2

cappilaries

Answer 2

the site of exchange between blood and tissue

Question 3

great vessels

Answer 3

the large arteries and veins that directly connect with specific chambers of the heart

Question 4

drains blood from the head, neck, upper limbs, and superior region of trunk

Answer 4

superior vena cava

Question 5

drains blood from lower limbs and inferior regions of trunk

Answer 5

inferior vena cava

Question 6

receives deoxygenated blood form the right ventricle to be transported to the lungs

Answer 6

pulmonary trunk

Question 7

pulmonary veins

Answer 7

return oxygenated blood from the lungs to the left atrium

Question 8

aorta

Answer 8

biggun

Question 9

protective bony framework that encloses both the heart and lungs

Answer 9

thoracic cage

Question 10

The heart is positioned posterior to the sternum left of the body midline between the lungs within the

Answer 10

mediastinum

Question 11

the heart and the root of the great vessels are enclosed in three layers, collectively called the

Answer 11

pericardium

Question 12

pericardium layers from outside to inside

Answer 12

fibrous pericardium, parietal layer of serous pericardium, visceral layer of serous pericardium, visceral pericardium

Question 13

The fibrous pericardium and the parietal layer of the serous pericardium together compose the more loosely fitting “bag” called the

Answer 13

pericardial sac

Question 14

With the consistency of an oily mixture, this fluid lubricates the serous membranes to minimiae friction with every heartbeat

Answer 14

serous fluid

Question 15

the portion of the right atrium that is most noticeable is its wrinkled, flaplike extension called the

Answer 15

right auricle

Question 16

The pulmonary trunk splits into the

Answer 16

left and right pulmonary arteries

Question 17

the atria are separated form the ventricles externally by a relatively deep groove called the

Answer 17

coronary sulcus