Piggy Heart Oink Lubbb Oink dup

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

http://www.blaufuss.org/

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.