Top Posters
Since Sunday
c
5
j
5
a
5
L
5
f
5
j
5
D
4
k
4
y
4
t
4
h
4
l
4
Home Gallery General Biology
Explore Categories
  
SlideshowReport

Nervous System Regulation of the Heart
Download Without Watermark With Free Membership
Description
Cardiac Output (CO)

CO is the volume of blood ejected from the left or right ventricle into the aorta or pulmonary trunk each minute
Stroke volume (SV) is the amount of blood pumped out of the ventricle in one beat
CO (mL/min) = SV (mL/beat) x HR (beats/min)

Regulation of Stroke Volume
3 factors regulate stroke volume:
Preload
Contractility
Afterload

Regulation of Heart Rate
Several factors regulate heart rate:
Autonomic nervous system
Hormones
Ions
Age
Gender
Physical fitness
Temperature
Related Images
 716
 1851
 314
 855
 624
 265
 10049
 2285
 4691
Add Comment
Explore
Post your homework questions and get free online help from our incredible volunteers
  816 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Your Opinion
Which is the best fuel for late night cramming?
Votes: 146
Previous poll results: Which 'study break' activity do you find most distracting?