Cardiovascular system

Question 1

right side

Answer 1

recieves oxygen- poor blood from tissues
pumps blood to lungs to get rid of CO2, pick up O2, via pulmonary circuit

Question 2

left side

Answer 2

recieves oxyganted blood from lungs
pumps blood to body tissues via systemic circuit

Question 3

recieving chambers of heart

Answer 3

right atrium
left atrium

Question 4

left atrium

Answer 4

recieves bloof returning from pulmonary circuit

Question 5

right atrium

Answer 5

recievs blood returning from systemic cirucit

Question 6

pumping chambers of heart

Answer 6

right ventricle
left ventricle

Question 7

right ventricle

Answer 7

pumps blood through pulmonary circuit

Question 8

left ventricle

Answer 8

pumps blood through systemic circuit

Question 9

pericardium

Answer 9

double walled sac that surrounds the heart
made of 2 layers:
fibrous pericardium
seroud pericardium

Question 10

fibrous pericardium

Answer 10

functions to protect, anchor heart to surrounding structures, and prevent overfilling

Question 11

serous pericardium

Answer 11

has 2 layers:
parietal layer
visceral layer
two layers separated by pericardial cavity

Question 12

parietal layer

Answer 12

lines interanl surface of fibroud pericardium

Question 13

visceral layer

Answer 13

on external surface of heart

Question 14

how many layers of heart wall, what are they?

Answer 14

3
epicardium
myocardium
endocardium

Question 15

epicardium

Answer 15

visceral layer of serous pericardium

Question 16

myocardium

Answer 16

circular or spiral bundles of contricle cardiac muscle cells

Question 17

endocardium

Answer 17

innermost layer
is continous with endothelial lining of blood vessels
lines heart chambers