Page 202 - Color_Atlas_of_Physiology_5th_Ed._-_A._Despopoulos_2003

A. Characteristics of the vessel segments

Blood Vessels and Blood Flow

Venae cavae

Aorta Greater arteries Arterial branches Arterioles Capillaries Venules Venous branches Greater veins

Number 1 Increasing 0.16·10 9 5·10 9 0.5·10 9 Decreasing 2
1 Fraction of TPR
19% 47% 27% 7%
–
2 Mean blood pressure P (mmHg) Plate 8.2
100 40 25 20 2–4
– · –1
3 Mean flow velocity VA (cm·s )
18 5 1.5 0.02–0.1 1,0 6
4 Individual vessel diameter (cm) 3.2
2.6 0.15 1,6
0.8 –0.7
0.3–0.06 0.002 0.0009 0.00025

5 Joint cross-sectional area (cm ) 2 3500
2700
500
5.3 20 20 100 30 10

1550
6 Joint holding capacity (cm ) 3
550 900 250
180 250 250 125 300
Total volume of systemic circulation (excluding heart), ca. 4.4 L

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Despopoulos, Color Atlas of Physiology © 2003 Thieme
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