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Which law represents the movement of gas through a small hole into an area of lower pressure?
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What is the process by which gas particles under pressure flow through a tiny opening?
The movement of gas through a small hole into an area of lower pressure is diffusion.
What do the 2 numbers in blood pressure represent?
The first number in a blood pressure reading is the systolic blood pressure. It represents the pressure in the artery when the heart is contracting. The second number is the diastolic blood pressure, and represents the pressure when the heart is relaxing.
Wind is the horizontal movement of air from an area of?
Wind occurs because air tends to move from region of higher to lower pressure.
Osmotic pressure is created by the presence in a fluid of small difusible moleules that easily move through the capillary membrane?
Osmotic pressure is the force exerted by the movement of solvent molecules across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration. This movement equalizes the concentration on both sides of the membrane. The osmotic pressure is directly proportional to the concentration of solute particles in the fluid.
Why is air pressure different at various places on earth?
Atmospheric pressure varies due to elevation (altitude) and because of the motion of air masses over the surface. For altitude differences, the pressure is the result of the surrounding air. Higher pressure is experienced at lower altitudes just as higher pressure is found in greater depths within a body of water. A simple explanation is that the "column of air" above a surface "pushing down" is much shorter if you move higher into the "sea of air." This lower weight is expressed as lower pressure, which represents fewer molecules within a given volume of air. The higher the altitude (eg. mountains) = The lesser the atmospheric pressure The lower the altitude (eg. sea level) = The higher the atmospheric pressure
The movement of gas through a small hole into an area of lower pressure is?
The movement of gas through a small hole into an area of lower pressure is diffusion.
The movement of gas through a small hole into an area of lower pressure is called?
EFFUSION
The movement of fluid through the cell membrane from a high pressure area to a lower pressure area is called?
active transport
What is the process by which gas particles under pressure flow through a tiny opening?
The movement of gas through a small hole into an area of lower pressure is diffusion.
What is the part of the wave that represents the lower air pressure?
The tip of the wave.
What is the source of wind?
The movement of air from an area of higher pressure to one of lower pressure
How wind is generated?
Movement of air, which naturally goes from a higher pressure to a lower pressure.
IS The movement of substances from an area of higher hydrostatic pressure to an area of lower hydrostatic pressure is called diffusion?
No, diffusion deals with concentrations not pressures.
What do the 2 numbers in blood pressure represent?
The first number in a blood pressure reading is the systolic blood pressure. It represents the pressure in the artery when the heart is contracting. The second number is the diastolic blood pressure, and represents the pressure when the heart is relaxing.
The greater the the pulse pressure the lower the pressure gradient driving blood from the aorta through the systemic circulation?
True
Wind is the horizontal movement of air from an area of?
Wind occurs because air tends to move from region of higher to lower pressure.
What happens to the sind speed as the air pressure gets lower..why?
It increases. High pressure air always moves toward low pressure areas. When there is low pressure, the high pressure moves in, and the movement of air creates wind.
