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I hear sheep have really nice hearts boys and girls
Hello Piggy Heart
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 of the heart?
This ?
And This ?
Provide two reasons why this is the left ventricle!
What the heck are these?
Rt.
Lt.
Ear-shaped
extensions
What chambers would be found inside these?
How can you tell this is the posterior portion of the heart? 1 2 3
Y
X
The Coronary Vessels
The cardiac muscle receives oxygen/nutrients for metabolism from the
coronary arteries and releases carbon dioxide and waste products into
the cardiac veins.
Anterior View
The Great Vessels
The very large veins & arteries, which transport
blood to and from the heart muscle
Locating the great vessels:
Anterior View--Aortic Arch
Aorta
Arising from the left ventricle of the heart is the largest artery of the body, the aorta. Rt
.Lt.
Aorta: Posterior View
Aorta
Lt.
Rt.
Posterior View--Vena Cavae
Superior Vena CavaInferior
Vena Cava
Lt.
Rt.
Posterior View--Pulmonary Artery
Lt. Pulmonary
Artery
Lt.
Rt.
Posterior View--Pulmonary Veins
Pulmonary veins are inferior to pulmonary arteries.
Rt.
Lt.
Rt.Pulmonar
y VeinLt.Pulmonary Vein
Top View of the heart
1?
3?
2?
Sep
tum
Lt. AtriumRt.
Atrium
aort
a
Rt.
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
Final Check point
Students should be able to trace pathway of blood through great vessels and heart.
(begin with vena cava and end with vena cava)
That’s All folks!…and don’t forget
to clean up.