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Which of the following is NOT an important source of resistance to blood flow?
An important source of resistance to blood flow is not low blood viscosity, as low viscosity would actually decrease resistance. The important sources of resistance to blood flow are vessel diameter, vessel length, and blood viscosity.
If the cause of erections is blood flow why do you not have a constant erection?
Erections are not constant because the body has mechanisms that regulate blood flow to the penis. When you are not sexually aroused, blood flow to the penis is restricted by the contraction of blood vessels, preventing a continuous erection. Erections occur in response to sexual stimulation when these blood vessels relax, allowing increased blood flow to the penis.
What is a word that means controlling blood flow?
Hemostasis means controlling the flow of blood.
How does sympathetic vasoconstriction or vasodilation affect blood flow in the body?
Sympathetic vasoconstriction decreases blood flow by narrowing blood vessels, while sympathetic vasodilation increases blood flow by widening blood vessels.
How does the sympathetic nervous system regulate blood flow through the process of vasoconstriction or vasodilation?
The sympathetic nervous system regulates blood flow by causing either vasoconstriction, which narrows blood vessels and reduces blood flow, or vasodilation, which widens blood vessels and increases blood flow. This control helps adjust blood flow to different parts of the body based on the body's needs.
What are the three major circuits of the blood?
Systemic circuit- blood flow in the body Coronary circuit- blood flow in the heart Pulmonary circuit - blood flow in the lungs
What is the correct path blood flow through the body and lungs?
Start in the superior and inferior vena-cava, moves to the right atrium, goes through the tricuspid valve to the right ventricle. The blood then goes through the pulmonary semi-lunar valve to the pulmonary artery (which contains oxygen poor blood). This then goes to the lungs where the oxygen poor blood is oxygenated and comes back to the heart via the pulmonary vein (which contains oxygen rich blood).
What syndromes are linked to myxomas?
There are three major syndromes linked to myxomas: embolic events, obstruction of blood flow, and constitutional syndromes.
The major regulator of regional blood flow in the brain is?
oxygen
What is the three major part of circulatory system?
The three major parts of the circulatory system are the heart, blood vessels, and blood. The heart pumps blood through the blood vessels, which include arteries, capillaries, and veins, to transport oxygen, nutrients, and waste products throughout the body.
What are the three major configurations of a gas furnace?
UP- flow, down-flow and Horizontal
In which three directions do the three major rivers originating in the Himalayas flow?
South :)
What is common in electrical circuits?
In electrical circuits, the flow of electric current is common.
WHAT ARE three major flow in the economy?
production, income and spending.
What is the opposition of current flow measured in?
The opposition of current flow is measured in ohms. For DC circuits it is resistance and for AC circuits it is impedance.
Where are circuits?
Circuits are used anywhere you want to have an electrical current flow. Without a circuit, you cannot have current flow. Without current flow, you cannot do any work.
What is the major function of the arterioles?
Anterioles are the principal controllers of blood flow and pressure.
