Chapter 15 Objectives
15.1 Introduction
A. What makes up the cardiovascular system?
B. What
are the two circuits that blood vessels make?
15.2:
Structure of the Heart
A.
Describe the heart (shape, chambers)
Size and Location of
the Heart
A.
Name the cavity where the heart is found.
Coverings of the
Heart
A.
Name the three coverings of the heart. Be able to identify them in a figure.
Wall of the Heart
A.
Name the three walls of the heart and their function. Be able to identify them
in a figure.
Heart Chambers and
Valves
A.
Identify the four chambers of the heart and from where they receive blood.
Review Table 15.2
Review Figure 15.6
Skeleton of the Heart
A. What constitutes the skeleton of the heart?
Path of Blood Through
the Heart
Review
Figure 15.10 (Know the flow of blood, what happens in the pulmonary circuit and
what happens in the systemic circuit)
Blood Supply to the
Heart
A.
What arteries supply blood to the heart?
Review
Figure 15.13
15.3:
Heart Actions
A.
Describe how atria and ventricles contract and relax.
Review Figure 15.16
Cardiac Cycle
A.
During a cardiac cycle, the pressure in the heart chambers rise and falls
B. Know the steps
in atrial systole and ventricular diastole.
C.
Know the steps in ventricular systole and atrial diastole.
Heart Sounds
A.
To what correspond the “lubb” and “dupp” sounds?
B. What is a
murmur?
Cardiac Muscle Fibers
A.
What is a functional syncytium?
Cardiac Conduction
System
A. What is the cardiac conduction system and what is
its function?
Review Figure 15.18 and
15.19
Electrocardiogram
A. What is an electrocardiogram?
B.
Describe the ECG waves.
Regulation of the
Cardiac Cycle
A.
What node controls the heart rate?
B. How sympathetic and parasympathetic fibers help
control the heart rate?
Review Figure 15.24
15.4:
Blood Vessels
A.
Describe the blood vessels of the
cardiovascular system (arteries, arterioles, capillaries, venules and veins) in
terms if their function.
Review concept
maps
15.5: Blood Pressure
A. What is blood pressure?
Arterial Blood
Pressure
A.
What is arterial blood pressure?
B. Where can arterial blood pressure be
felt as a pulse?
Venous Blood Flow
A. Venous blood flow is dependent on what actions?
Central Venous Pressure
A. What is central venous pressure and how it
affects peripheral veins?
15.6:
Paths of Circulation
A.
Describe the pulmonary circuit.
Review
Figure 15.40
Review Figure 15.41
Systemic Circuit
A. Describe the systemic circuit.
15.7:
Arterial System
Review
Figure 15.51
15.8:
Venous System
Review
Figure 15.58
Characteristics of
Venous Pathways
A. Why are venous system pathways difficult to
follow?
15.9:
Lifespan Changes
A.
Name at least three life-span changes of the cardiovascular system.
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