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CIRCULATORY SYSTEM
Hananya
Created on February 1, 2023
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Transcript
THECirculatory system
Circulatory Pathways
Human Circulatorysystem
Cardiac Cycle
index
Doublecirculation
ECG
Disorders
Regulation
Video
Systemic (Heart ↣ Body Tissues)
Pulmonary (Heart ↣ Lungs)
Hepatic portal System
Double Circulation
parts of the cardiac cycle
Circulatorypathways
Open and closed circulation
Open
Closed
human circulatory system
Structure
Blood vessels
Myogenic, Mesodermally derivedPericardium, Myocardium, Endocardium AVN, SAN, Bundle of HIS, Purkinje fibres.
Pacemaker
ElectroCardioGram
ECG
Diagrammatic presentation of a standard ECG
disorders
Disorders of the circulatory system
Hypertension
Angina
Atherosclerosis
Heart failure
Regulation
- Normal activities are regulated by nodal issues - Myogenic
- A portion of medulla Oblongata moderates cardiac function [ANS]
- Adrenal medulary hormones increase cardiac function
- Sympathetic and Parasympathetic signals alter cardiac function.
Cardiac Cycle
01
The cycle of blood flow
Auricular Systole
Systole, Diastole Stroke volume, Cardiac output Heart sounds
Auricular Systole
02
Ventricular Systole
Ventricular Systole
Stroke volume = vol. blood ejected by ventricles Cardiac output = Heart rate x Stroke vol. . 72 bpm x 0.08 l/b = 5.5 l/min
03
Joint Diastole
Joint Diastole
ViDEO
The Heart
This video gives us an insight on the functioning of the heart.
the end