Chapter 15 Cardiovascular System

1
Chapter 15 Cardiovascular System

• Part I
• Structure of the Heart

2
Introduction

• Heart
• 1.
• 2.
• Circulation of Blood
• 1.
• 2.
• Cardiovascular system
• 1.
• 2.
• 3.

3
Introduction

• Pulmonary Circuit
• 1.
• 2.
• 3.
• Systemic Circuit
• 1.
• 2.
• 3.

4
Fig. 15.1
5
Size and Location of the Heart

• Size
• 1.
• 2.
• Location
• 1.
• 2.
• 3.
• 4.
• 5.

6
Fig. 15.2
7
Fig. 15.3
8
Coverings of the Heart

• Pericardium (pericardial sac)
• 1.
• 2.
• 3.
• 4.
• Pericarditis
• 1.
• 2.
• 3.

9
Fig. 15.4
10
Wall of the Heart

• Epicardium
• 1.
• 2.
• 3.
• Myocardium
• 1.
• 2.
• 3.
• Endocardium
• 1.
• 2.
• 3.

11
Fig.15.5
12
Heart Chambers and Valves

• Four hollow chambers
• 1.
• 2. Atria
• a.
• b.
• c.
• 3. Ventricles
• a.
• b.

13
Fig. 15.6
14
Heart Chambers and Valves

• Right atrium
• 1. Receives blood
• .
• .
• c.
• 2. Low O2 blood
• Tricuspid valve
• 1.
• 2.
• 3.
• 4.
• 5.
• 6.

15
Fig. 15.7
16
Heart Chambers and Valves

• Right Ventricle
• 1. Contracts
• a.
• b.
• 2. Thinner muscular wall (than l. ventricle)
• a.
• b.
• Pulmonary Valve
• 1.
• 2.
• 3.
• 4.

17
Heart Chambers and Valves

• Left atrium
• 1. Receives blood from lungs
• a.
• b.
• Mitral Valve
• 1.
• 2.
• 3.
• 4.
• 5.

18
Fig. 15.6
19
Fig. 15.6
20
Heart Chambers and Valves

• Left Ventricle
• 1. Contracts
• a.
• b.
• 2. Thicker walls than r. ventricle
• Aortic Valve
• 1.
• 2.
• 3.

21
Fig. 15.8, 15.9