Page 349 - Anatomy and Physiology of Farm Animals, 8th Edition

334 / Anatomy and Physiology of Farm Animals

Head and
(10 mmHg) endocrine (90 mmHg) 15%
VetBooks.ir glands

Arms and
(10 mmHg) Muscle trunk (100 mmHg) 5%
Capacitance vessels Resistance vessels

(15mmHg) Lungs
(100 mmHg) 5%
100%
Bronchial
(7mmHg)
Low Aorta High
pressure pressure
side LA (100 mmHg) side
RA Coronary 5%
LV
RV
(8 mmHg) (0 mmHg) (0 mmHg)

(40 mmHg)
Liver
(40 mmHg)

Capacitance vessels Portal Stomach 30% Resistance vessels
Stomach
and
and
spleen
spleen (40 mmHg)
system
(10 mmHg) Intestines, (90 mmHg)
pancreas
Glomeruli
Glomeruli
(35 mmHg) Intestines (40 mmHg)

Tubules
Tubules
(10 mmHg) (60 mmHg) 20%

(40 mmHg) 20%
Muscle

Figure 18-2. Overview of the cardiovascular system. The blue areas represent the venous blood with
reduced oxygen content; the red areas represent the arterial system with oxygenated blood. The solid
black circles represent areas of resistance and the percentage is the proportion of cardiac output delivered
to the organ at rest. The size of the capillary bed varies with organ systems. Source: Reece, 2015.
Reproduced with permission of John Wiley & Sons, Inc.