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Blood Vessels PowerPoint Presentation

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Description : Check out this medical presentation on Artery, which is titled "Blood Vessels", to know about vascular system.

Tags : Artery, Blood Vessels, vascular system

Published on : Jun 02, 2021 | Views : 2838 | Downloads : 3

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Slide 1-

THE BLOOD VESSELS Blood Vessels Are they simple pipelines? (vascular system)
Slide 2-

CONTENT Overview of Vascular System Arterial Pressures and Flow Capillary Exchange Venous Blood Flow Regulation of the Vascular System Special Circulations
Slide 3-

H2O Glucose Lipids Amino acids Vitamines Minerals O2 Blood vessel External Environment Permeability of Blood Vessels ? Tissue cells
Slide 4-

Is blood vessel wall permeable everywhere? Arteries Veins Capillaries
Slide 5-

Distribution of Blood (at rest)
Slide 6-

1) Simplest pathway Circulatory pathways artery 100 mmHg 0 vein capillary 2) Portal system Liver intestines coronary 4) Arterial anastomoses 3) Arteriovenous anastomosis skin
Slide 7-

Skeletal muscles Skin Brain Liver-Intestine Coronary The blood flows along pressure gradient. 100 mmHg 40 40 40 40 40 20 20 20 20 20 0
Slide 8-

Can blood vessel volume change quickly ? Skeletal muscles Skin Brain Liver-Intestine Coronary
Slide 9-

hemorrhage after before Skin Liver-Intestine Skeletal muscles Coronary Brain 100 mmHg  Total BVV  Individual BVV Skin Liver-Intestine Skeletal muscles Coronary Brain 98 mmHg 20% Functions of blood vessels? #1: help maintain blood pressure
Slide 10-

before Vascular Shock after Skin Liver-Intestine Skeletal muscles Coronary Brain  Total BVV Skin Liver-Intestine Skeletal muscles Coronary Brain 100 mmHg 50 mmHg
Slide 11-

before Exercise after Skin Liver-Intestine Skeletal muscles Coronary Brain  Total BVV  Individual BVV Skin Liver-Intestine Skeletal muscles Coronary Brain 100 mmHg 100 mmHg
Slide 12-

before Dinner after Skin Liver-Intestine Skeletal muscles Coronary Brain  Total BVV  Individual BVV Skin Liver-Intestine Skeletal muscles Coronary Brain 100 mmHg 100 mmHg
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before Hypothermia after Skin Liver-Intestine Skeletal muscles Coronary Brain  Total BVV  Individual BVV Skin Liver-Intestine Skeletal muscles Coronary Brain 100 mmHg 100 mmHg Functions of blood vessels? #2: help redistribute blood
Slide 14-

How to change blood vessel volume ? autonomic nerves muscle hormones autoregulation
Slide 15-

How to change blood vessel volume ? precapillary sphincters
Slide 16-

Anatomy of blood vessels are studied in the lab.
Slide 17-

Overview Of Vascular System Arterial Pressures and Flow Capillary Exchange Venous Blood Flow Regulation of the Vascular System Special Circulations
Slide 18-

100 mmHg 40 40 40 40 40 0 20 20 20 20 20 Is the blood flow continuous or intermittent ?
Slide 19-

systole 120 mm Hg 40 mm Hg Intermittent flow continuous flow heart aorta Function of large arteries? change intermittent flow into continuous flow
Slide 20-

hose
Slide 21-

Predict the change in Ps and Pp in atherosclerosis
Slide 22-

- is the average pressure over the cardiac cycle MAP = Pd + 1/3 (Ps – Pd) Mean arterial pressure (MAP) systolic pressure (Ps) diastolic Pressure (Pd) 110 mmHg 80 mmHg - MAP = 80 + 1/3 (110 – 80) = 90 (mmHg)
Slide 23-

The pressure pulse disappears in capillaries.
Slide 24-

Pulse Points
Slide 25-

Measure arterial pressures using sphygmomanometer
Slide 26-

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Slide 27-

BLOOD FLOW Definition: volume of blood moving through a blood vessel in a given time (ml/min) F =  P R P1 P2  P = P1 - P2 F
Slide 28-

Peripheral Resistance - opposition to blood flow due to friction between the blood and the blood vessel wall and among components of the blood heart 120 mm Hg 40 mm Hg Total vascular bed
Slide 29-

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Slide 30-

Factors on Peripheral Resistance 1) blood viscosity () 2) blood vessel length -  length  resistance - stable