Page 200 - Color_Atlas_of_Physiology_5th_Ed._-_A._Despopoulos_2003

A. Cardiovascular system

47 %
64% Brain: Lesser arteries
.
Veins Q = 13% and arterioles
.
= 21%
V O 2
9%
Lungs
7% 19%
Heart 5% 27% Arteries
(diastole) 8 % 7% Capillaries Capillaries 7%
Lesser arteries Greater Veins
and arterioles arteries
Resistance distribution
Volume distribution
in systemic circulation
Lungs Overview
Pulmonary artery Aorta
Blood pressure: Blood pressure:
25/10mmHg 120/80 mmHg
(mean: 15mmHg) (mean: 100mmHg) Plate 8.1
Coronary
circulation:
Right . Q = 4%
ventricle .
Left V O 2 = 11%
ventricle
Low-pressure system
(reservoir function)

Liver and
gastrointestinal tract:
.
Q = 24%
.
= 23%
V O 2
Skeletal muscle: High-pressure system
.
Q = 21% (supply function)
.
= 27%
V O 2

Kidneys:
. . .
Q Q = 20% V
.
O 2
Blood flow to organs V O 2 = 7% Organ O 2 consumption
as % of cardiac output as % of total O 2 consumption
(resting CO 5.6 L/min Skin and (total at rest ≈ 0.25 L/min) 187
at body weight of 70 kg)
other organs
Despopoulos, Color Atlas of Physiology © 2003 Thieme
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