Circulatory System: The Heart

Circulatory System: The Heart

Coronary Arteries

Right and Left Sides of Heart

• Oxygenated and deoxygenated blood• http://www.youtube.com/watch?v=D3ZDJgFDdk0

• Arteries “Away from heart”• Veins “To Heart”

Arteries or Veins???

Oxygenated or Deoxygenated Blood???

Systole = heart contracting

Diastole = heart relaxing

• Blood flow in heart– http://www.youtube.com/watch?

v=H04d3rJCLCE&NR=1

Aorta

Pulmonary Artery

Heart Disease

• Heart Attack• http://www.youtube.com/watch?v=zeS-

0au8ij4&NR=1&feature=fvwp

• Coronary bipass – http://www.youtube.com/watch?

v=3Nf6Q2skGOM&feature=related

(SA node)

(AV node)

Purkinje fibers

S A Node = pace maker

Purkinje Fibers

Bundle Branches

AV Node = transmits signal to ventricles

Cordae tendineae

ECG- Measures Heart Rate

ECG At Rest60-100 beats / minute!!!!

ECG After Exercise

ReviewVena CavaRight AtriumTricuspid ValveRight VentriclePulmonary ArteryLungsPulmonary VeinsLeft AtriaBicuspid ValveLeft VentricleAortaBody

SA NodeAV NodeBundles BranchesPurkinje fibers

1.

2.

4.

3.13.

11.

7. 8.

5.6.

9.

10.

12.

14.

Vena Cava, Right Ventricle, Pulmonary Veins, Left Atria, Right Atrium, Bicuspid Valve, Pulmonary Artery, Left Ventricle, Aorta, Tricuspid Valve, Body, Lungs, Pulmonary Valve, Aortic Valve

Jeopardy!!!!

• http://jeopardylabs.com/play/circulatory-system-the-heart