15 Cardiovascular

Chapter 15 Cardiovascular System

Cardiovascular System ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Heart Chambers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Heart Valves ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Path of Blood Through the Heart

Blood and its flow ,[object Object],[object Object],[object Object],[object Object],[object Object]

Pulmonary Circuit (lungs) CO 2 blood from the body CO 2 blood from the body CO 2 to the lungs Superior vena cava O 2 CO 2

Systemic Circuit (body) O 2 blood from the lungs O 2 blood from the lungs O 2 blood to the body CO 2 O 2

Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Review of blood flow ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],The explanation of blood flow on the worksheet is great except that it leaves out the valves that are getting passed through, make sure you know that too!

Coronary Arteries ,[object Object],[object Object],[object Object],[object Object]

Summary of Changes During Cardiac Cycle

Lubb dupp ,[object Object],[object Object],[object Object],[object Object],[object Object]

The conduction of the heart ,[object Object],[object Object]

The conduction of the heart ,[object Object],[object Object],[object Object],[object Object]

S-A node A-V node Follow the path!

Electrocardiogram ,[object Object],[object Object],P wave – atrial depolarization; about to contract QRS wave – ventricular depolarization; about to contract T wave – ventricular repolarization

Regulation of Cardiac Cycle ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Regulation of Cardiac Cycle Autonomic nerve impulses alter the activities of the S-A and A-V nodes

Blood Vessels ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

*Veins have valves because they have to work against gravity. With each pump of the heart the blood goes through a valve and can’t go back!

Regulation of Capillary Blood Flow ,[object Object],[object Object],[object Object],[object Object]

Arterial Blood Pressure Blood Pressure – force the blood exerts against the inner walls of the blood vessels ,[object Object],[object Object],[object Object],[object Object],[object Object]

Blood Pressure ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

15 Cardiovascular

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Editor's Notes