Double Circulation

Question 1

each blood vessel consists of which layers

Answer 1

tunica intima
tunica media
tunica externa

Question 2

tunica intima is made of

Answer 2

squamous endothelium

Question 3

tunica media is made of

Answer 3

smooth muscles and elastic fibres

Question 4

tunica externa is made of

Answer 4

fibrous connective tissue with collagen fibres

Question 5

tunica media is comparatively thin in which blood vessels

Answer 5

veins

Question 6

explain pathway of pulmonary circulation

Answer 6

deoxygenated blood is pumped from right ventricle into the pulmonary artery to the lungs from where oxygenated blood is carried by pulmonary veins to the left atrium

Question 7

explain pathway of systemic circulation

Answer 7

oxygenated blood from left ventricle enters the aorta and reaches tissues from where deoxygenated blood is emptied into the right atrium

Question 8

portal system between ___________ and _________ is called hepatic portal system

Answer 8

digestive tract
liver

Question 9

what does hepatic portal system do

Answer 9

carries blood from intestine to liver before it is delivered to systemic circulation

Question 10

what is the system of blood vessels called which is exclusively for circulation of blood to and from the cardiac musculature

Answer 10

coronary system

Question 11

from largest artery to largest vein

Answer 11

aorta
arteries
arterioles
capillaries
venules
veins
vena cava