Slide 1Cardiovascular System The Heart Slide 2 The Cardiovascular System A closed system of the heart and blood vessels –The heart pumps blood –Blood vessels allow blood…

1. Electrical Activity of the Heart 2. Cardiac Muscle • Branching cells • One or two nuclei per cell • Striated • Involuntary • Medium speed contractions 3. Excitation-Contraction…

1. Electrical Activity of the Heart 2. Cardiac Muscle • Branching cells • One or two nuclei per cell • Striated • Involuntary • Medium speed contractions 3. Excitation-Contraction…

Slide 1 Heart Actions ● Cardiac Cycle: One complete heartbeat. The contraction of a heart chamber is called systole and the relaxation of a chamber is called diastole.…

Slide 1 BIO 238 Slide 2  Heart and blood vessels are part of the cardiovascular system  Heart pumps blood  Arteries carry blood away from the heart to capillaries…

Chapter 12 Cardiovascular and Respiratory Health Your Cardiovascular System Chapter 12 Section 1 Main Parts of the Cardiovascular System Functions of the Cardiovascular system…

The Cardiovascular System The Cardiovascular System CONDUCTION SYSTEM Activity 1 Draw and label in as much detail as possible the chambers of the heart and surrounding structures.…