Page 146 - Color_Atlas_of_Physiology_5th_Ed._-_A._Despopoulos_2003

A. Respiratory control and stimulation

Voluntary
action Emotion,
temperature
Coughing,
sneezing,
etc. 5
Physical work Respiratory Control and Stimulation
Co-innervation

Fourth
Respiratory neurons ventricle
(respiratory “center”): IXth/Xth
expiratory Obex nerve Mechanosensors
inspiratory in locomotor system
1 C1, C2 Respiratory drive:
Peripheral
Rhythm Central Plate 5.14
generator

4
Central
chemosensors IXth
nerve
Xth Respiration Glomera
nerve carotica
In CSF: Xth
, pH
P CO 2 nerve
Depth of Alveolar Glomera
respiration ventilation aortica
3
2 Peripheral
chemosensors
Mechanosensors
in lung and In blood:
respiratory muscles , pH
P CO 2
P O 2
80
Total ventilation (L/min) 60

40
6
CO 2 response curve 20 Normal value
0
4 6 8 10 133
Arterial P CO 2 (kPa)
Despopoulos, Color Atlas of Physiology © 2003 Thieme
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