Biology 12 Did you know Your heart beats about 100000 times a day Heart Dissection Can we find Inferior vena cava Superior vena cava Right atria Right ventricle Tricuspid valve Pulmonary artery ID: 732115
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Slide1
The Heart Parts and Conduction System
Biology 12Slide2
Did you know…
Your heart beats about 100,000 times a daySlide3
Heart Dissection
Can we find:
Inferior vena cava
Superior vena cava
Right atria
Right ventricle
Tricuspid valve
Pulmonary artery
P
ulmonary veins
Left atria
Left ventricle
A
ortaSlide4
Heart Parts and FlowSlide5
Make a playdough heart
Blue playdough
= deoxygenated side of heart and vessels
Red playdough
= oxygenated side of heart and vessels
Use
other colours
for valves and connective tissues
Label parts on desk using white board markersSlide6
Can You Label….
Label:
Inferior vena cava
Superior vena cava
Right atria
Right ventricle
Tricuspid valve
Pulmonary artery
P
ulmonary veins
Left atria
Left ventricle
Bicuspid valve
Pulmonary semilunar valve
Aortic semilunar valveAortaSlide7
Conduction System
The heart has a unique conduction system as it has cells that depolarize
SEPARATE
from the brain
When depolarization starts in one cell, it moves slowly to it’s neighbours like a
wave
The heart also has “highway” tracks and nerves to
“drop off” the signal
in other areas it wants to contractSlide8
Now Add To Your Playdough…
Label:
SA node
Internodel
tracks
Bachmans
bundle
AV node
Bundle of His
Right nerve bundle
Left nerve bundle
Purkinje fibersSlide9
Take A Photo…
Take a photo of your playdough heart parts and conduction system
Use it to help you study tonight
***Friday quiz tomorrow***Slide10
Homework
Vessel video notes (on website)
Study 30 minutes for Friday quiz
Parts of heart
Flow through heart
Conduction system of heart