'Arterioles' diaporamas de présentation

Ch 19

Blood Vessels. Ch 19. Blood Vessels. Blood is carried in a closed system of vessels that begins and ends at the heart The three major types of vessels are arteries, capillaries, and veins Arteries carry blood away from the heart, veins carry blood toward the heart

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Blood Vessels: The Vascular System

Blood Vessels: The Vascular System. Transport blood to the tissues and back Carry blood away from the heart Arteries Arterioles Exchanges between tissues and blood Capillary beds Return blood toward the heart Venules Veins. Blood Vessels: The Vascular System. Figure 11.9a.

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Blood Vessels and Flow Through the circulatory system

Blood Vessels and Flow Through the circulatory system. Heart pumps blood by increasing local pressure As blood travels through circulatory system, it encounters friction. Physics of Blood Flow. Physics of Blood Flow. What sets the resistance of a tube?. Think of drinking through a straw

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The Cardiovascular System

The Cardiovascular System. Cardiovascular Control During Exercise Chapter 11 and 12. Heart Structure and Blood Flow. The atria receive blood into the heart; the ventricles eject blood from the heart. Atria. Ventricles. The Myocardium.

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Blood Vessels

Blood Vessels. Blood is carried in a closed system of vessels that begins and ends at the heart The three major types of vessels are arteries , capillaries , and veins Arteries carry blood away from the heart , veins carry blood toward the heart

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Hypertension

Hypertension . NPN 200 Medical Surgical I. Description of Hypertension. Intermittent or sustained elevation in the diastolic or systolic blood pressure: systolic >140mm Hg and diastolic > 90 mm Hg Arterioles are primarily affected, resulting in a rise of peripheral vascular resistence

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The function of the Cardiovascular system

The function of the Cardiovascular system. P5/ M2. General function. The main function of the cardiovascular system is to deliver oxygen and nutrients and remove the waste products of metabolism. Each part of system has a specific function in helping to do this. . Heart

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Cardiovascular System:

Cardiovascular System:. Blood Vessels. Arteries. Carry blood away from heart to tissues Lined w/ thick layers of muscle, elastic fibers & endothelium Lumen= space in the middle where the blood flows Nervous & endocrine system controls diameter- vasodilation, vasoconstriction. Arterioles.

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