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Sympathetic activation
107583 Sympathetic activation Indicate the results of sympathetic activation of the following structures: sweat glands, eye pupils, adrenal medulla, heart, lungs, liver, blood vessels of vigorously working skeletal muscles, blood vessels of digestive
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Homeostasis and Organ Systems
When blood pressure is low, similar receptors in the blood vessels of the neck causes the release of hormones from various locations, including from the pituitary of the brain, to cause blood vessels to contract, thereby making them smaller.
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Lymphatic system
Fluids leaks out from the blood vessels into body tissues when blood circulates. The leaked fluid is drains into the lymph vessesl and carried to the lymph vessels to the base of the neck.
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The circulatory system
Capillaries - Small blood vessels which make contact with the body's cells and are the site of nutrient, gas, hormone, and waste transfer.
Veins - Blood vessels which transfer blood toward the body.
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Describe the Integral Physiological Mechanisms in Blood Flow
Increased sympathetic stimulation and epinephrine released from the adrenal medulla cause some vasoconstriction in the blood vessels of the skin and viscera and some vasodilatation of blood vessels in skeletal muscles.
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Function of Tonsils in protecting against pathogens
Let's imagine a situation where we have blood vessels and there are cells surrounding these blood vessels.
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The Lymphatic System
The CV consists of the heart (pump) blood vessels, including arteries, arterioles, capillaries veins and venules, and blood, which had plasma and formed products (red blood cells, white blood cells and platelets).
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Regulating Blood Pressure
(in parallel or series) affects resistance
• Vessels in a series have a resistance equal to the sum of all individual resistances
• Vessels in parallel have a resistance equal to the sum of the reciprocals of the individual resistances
• Increases
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Filtrate Formation and Varying Rates
Angiotensin II causes blood vessels to constrict, which increases BP and decreases GFR. It also causes the release of aldosterone from the adrenal cortex.
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Circulatory System Organs
Circulatory System Organs - Blood and Blood Vessels
Technically, these are not organs, but they are essential for the respiratory system and the circulatory system to function. Blood vessels are networked out to every part of the body.