I hear sheep have really nice hearts boys and girls
Hello Piggy HeartHello Piggy Heart
Don’t forget your g
loves!
Don’t forget your g
loves!
What two types of tissue make this up?
Why does it secrete an inner fluid that bathes the heart?
How can you tell this is the anterior portion How can you tell this is the anterior portion of the heart? of the heart?
This ?
And This ?
Provide two reasons why this is the left ventricle!
What the heck are What the heck are these?these?
Rt.
Lt.
Ear-Ear-shaped shaped
extensionextensionss
What chambers would be found inside What chambers would be found inside these?these?
How can you tell this is the posterior portion of the How can you tell this is the posterior portion of the heart? heart? 1 2 3
Y
X
The Coronary The Coronary VesselsVessels
The cardiac muscle The cardiac muscle receives receives oxygen/nutrientsoxygen/nutrients for metabolism from the for metabolism from the
coronary arteries and coronary arteries and releases releases carbon dioxide carbon dioxide and waste productsand waste products into into
the cardiac veins.the cardiac veins.
AnterioAnterior Viewr View
Interventricular
The Great VesselsThe Great Vessels
The very large veins & The very large veins & arteries, which transport arteries, which transport
blood to and from the blood to and from the heart muscleheart muscle
Locating the Locating the great vessels:great vessels:
Anterior View--Aortic ArchAnterior View--Aortic Arch
AortaAorta
Arising from the Arising from the left ventricle of left ventricle of the heart is the the heart is the largest artery of largest artery of the body, the the body, the aorta.aorta. Rt
.Lt.
Anterior View--Aortic Anterior View--Aortic ArchArch
Brachiocephalic Brachiocephalic trunk (innominate trunk (innominate
artery)artery)
Rt.
Lt.
Lt. Lt. common common carotidcarotid
Aorta: Posterior View
AortaAorta
LtLt..
RtRt..
Posterior View--Vena Cavae
Superior Superior Vena Vena CavaCavaInferior Inferior
Vena Vena CavaCava
Lt.
Rt.
Posterior View--Pulmonary Artery
Lt. Lt. Pulmonary Pulmonary
ArteryArtery
Lt.
Rt.
Posterior View--Pulmonary Posterior View--Pulmonary VeinsVeins
Pulmonary veins are inferior to pulmonary Pulmonary veins are inferior to pulmonary arteriesarteries..
RtRt..
LtLt..
Rt.
Pulmonary VeinLt.
Pulmonary Vein
Top View of the heart
1?
3?
2?
Dissect heart on the coronal plane.Dissect heart on the coronal plane.
Open heart Open heart on on
dissection dissection tray.tray.
Posterior half
Anterior half
Rt.
Lt.
Sep
tum
Lt. AtriumRt.
Atrium
aort
a
RtRt..
Lt.Lt.
Rt. Ventricle
Lt. Ventricle
Sep
tum
aort
a
Width of right
ventricular wall
Width of left
ventricular wall
Structure and
Function
Which AV
Valve? Cusp of valve
Who be it? S
eptu
m
Who Be it and what sound does it make?
Septu
m
Septu
m
cusp
Chordae
tendinae
Chordae
tendinae
Check points--Exterior HeartCheck points--Exterior Heart
Students should be able to point Students should be able to point out:out:
Check points--Interior HeartCheck points--Interior Heart
Students should be able to point out:Students should be able to point out:
Final Check pointFinal Check point
Students should be able to trace pathway Students should be able to trace pathway of blood through great vessels and heart.of blood through great vessels and heart.
(begin with vena cava and end with vena cava)(begin with vena cava and end with vena cava)
That’s All folks!…and don’t forget
to clean up.