True
The brainstem, specifically the medulla oblongata, regulates vasoconstriction through the autonomic nervous system. The sympathetic nervous system is responsible for increasing blood vessel tone through the release of norepinephrine, leading to vasoconstriction.
In the kidney, sympathetic control primarily influences the regulation of blood flow and renin release. Activation of the sympathetic nervous system can lead to vasoconstriction of renal blood vessels, reducing blood flow to the kidney. It can also stimulate the release of renin, which plays a role in regulating blood pressure and fluid balance.
testis
Proper control of the respiratory passages depends upon the coordination of muscles in the diaphragm, intercostal muscles, and other accessory respiratory muscles. Additionally, the autonomic nervous system plays a key role in regulating the dilation and constriction of the airways through the action of the sympathetic and parasympathetic nerves. This control ensures the optimal exchange of oxygen and carbon dioxide in the lungs.
Microfilaments, microtubules, and intermediate filaments are threadlike structures that help control a cell's activities. They provide structural support, assist in cell division, and help with intracellular transport and movement. These structures are essential for maintaining cell shape and organization.
The vasomotor center is located in the medulla oblongata of the brainstem, specifically in the rostral ventrolateral medulla. It is responsible for regulating blood vessel constriction and dilation to help control blood pressure and blood flow.
Damage to your vasomotor center increases blood pressure.
vasomotor centre is under medullary control and is responsible for vasoconstriction /vasodilatation so that blood pressure is maintained.
Eric Blackstock has written: 'Investigation of the factors influencing vasomotor control'
sympathetic division
both
parasympathetic
Innervated by both the sympathetic and parasympathetic nervous system. This allows for both branches of autonomic NS (sympathetic and parasympathetic) to precisely control an organ's activity.
The brainstem, specifically the medulla oblongata, regulates vasoconstriction through the autonomic nervous system. The sympathetic nervous system is responsible for increasing blood vessel tone through the release of norepinephrine, leading to vasoconstriction.
In the kidney, sympathetic control primarily influences the regulation of blood flow and renin release. Activation of the sympathetic nervous system can lead to vasoconstriction of renal blood vessels, reducing blood flow to the kidney. It can also stimulate the release of renin, which plays a role in regulating blood pressure and fluid balance.
The brainstem, specifically the medulla oblongata, regulates the heartbeat by coordinating signals between the heart and the brain. It contains the cardiac and vasomotor centers that control heart rate and blood pressure.
Control Structures can be combined by a process called Nesting. Example: if (x==true) if(y==true) { Foo() }