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The fight-or-flight response includes greater heart output and a rise in blood pressure. This response is due to?
The fight-or-flight response is primarily triggered by the activation of the sympathetic nervous system, which releases stress hormones like adrenaline and norepinephrine. These hormones increase heart rate and contractility, leading to greater heart output, while also causing blood vessels to constrict, resulting in elevated blood pressure. This physiological response prepares the body to either confront or escape a perceived threat.
Will the speed of a wind be greater if the difference in air pressure is large or small?
The speed of the wind is typically greater when there is a larger difference in air pressure between two points. This is because wind moves from areas of high pressure to areas of low pressure, and the greater the contrast, the stronger the wind will be as it tries to equalize the pressure.
What is the relationship between force area and pressure?
pressure = force / area Therefore pressure and force are directly proportional, meaning... The greater the force the greater the pressure and the lower the force the lower the pressure
What happens when pressure in the lung is greater than atmospheric pressure?
If the pressure in the lung is greater than atmospheric pressure, air will flow out of the lungs in order to equalize the pressure. This is called exhalation or breathing out.
What has the greater bearing pressure dry clay or gravel?
What has the greater bearing pressure dry clay or gravel
What will make the body make in greater numbers in response to an infection?
The body will make White Blood Cells in greater number in response to an infection thereby fighting the infection.
How does the density of the air affect pressure?
Pressure affects the density of air by increase of pressure increases the density
What happen when The greater the speed of gas particles in a container the?
greater the pressure
Where is the pressure greater . in 10 m below the surface of the sea or 20 m below the surface of the sea?
The pressure is greater at 20 m below the surface of the sea. Pressure increases with depth due to the weight of the water above. Each additional meter of depth adds more pressure, so the pressure will be higher at 20 m compared to 10 m below the surface.
Is pressure greater if the force acts over a greater surfice?
No, pressure is not greater if the force acts over a greater surface area. Pressure is defined as force per unit area, so as the surface area over which the force is applied increases, the pressure decreases. This is because the same force is being distributed over a larger area.
Does the bottom surface of a submarine experience the same hydrostatic pressure as the top surface?
No, it will be greater Imagine pressure as the weight of a column of water over an area, typically one sq. in. So the deeper you go, the greater the weight, the greater the pressure.
Would you tire pressure be greater at the beginning or end of a long car trip?
Greater as tire pressure raises as you drive and tires get hot.
