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What type of pressure causes to enter the venous side of the capillary?
Wiki User
∙ 13y ago
Osmotic pressure...
Wiki User
∙ 13y ago
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What force causes oxygen to enter the alveoli?
Negative pressure causes oxygen to enter the alveoli. Air is pulled into the lungs as the lungs expand. The alveoli are membranes of small balloon-like structures attached to the branches of the bronchial passages.
What is pressure is equal to the tendency of water to enter one solution from another due to a concentration gradient?
Osmotic Pressure
Where within the body does pressure affect diffusion of a substance?
Pressure increases the rate of diffusion. As the pressure on the membrane increase, attempts to enter the lower concentration increase, speeding the diffusion rate.
What is the protective covering of the brain that provides passageways for cerebrospinal fluid to drain into the superior sagittal sinus?
The arachnoid mater has specializations called arachnoid granulations that extend through the dura mater into the superior sagital space. This permits cerebral spinal fluid to enter venous circulation.
What is the function of precapillary sphincters?
The precapillary sphincter reduces or stops the flow of blood into the capillary when its smooth muscles contract. Its relaxation dilates the opening and allows blood to enter the capillary at a faster rate. The precapillary sphincters open when carbon dioxide levels rise as the tissues need more oxygen. They close when carbon dioxide levels decrease or when the body is under sympathetic stimulation.
Why water and dissolved substances leave the arterioles end of the capillary and enter the venule end?
Water and dissolved substances leave the arteriole end of the capillary due to hydrostatic pressure being higher than osmotic pressure and enter the venule of the capillary due to osmotic pressure being higher than hydrostatic pressure.
Blood plasma becomes tissue fluid by the process of?
By the process of ultra-filtration. At the proximal end of the capillary, you have pressure of about 30 mm of mercury. So the fluid leaves the capillary and enter the interstitial compartment. At the distal end of the capillary the pressure is about 15 mm of Mercury. The fluid in drawn in due to oncotic pressure at that end.
What must the molecules in a capillary enter before they enter the cell?
Molecules traveling within the bloodstream pass through the capillary cell wall via osmotic pressure and diffuse through the interstitial fluid before encountering the tissue cell wall.
What kind of blood vessels allow substances to enter and leave the blood so easily around the cells?
Capillaries, which are only one cell thick. The walls are semipermeable to the cell membranes in the body and are so narrow that red blood cells must pass through in a line, one behind the other. Oxygen and nutrients diffuse from the capillary to the body cells at the arterial end of the capillary while CO2 and other metabolic wastes enter the capillary at the venous end, because of diffusion gradients between the cell and the plasma and cells in the capillary.
In which capillary beds does oxygen enter the capillaries and carbon dioxide exit the capillaries?
The capillary bed in the lungs is where the oxygen and carbon dioxide are exchanged.
What force causes oxygen to enter the alveoli?
Negative pressure causes oxygen to enter the alveoli. Air is pulled into the lungs as the lungs expand. The alveoli are membranes of small balloon-like structures attached to the branches of the bronchial passages.
What causes oxygen to enter and carbon dioxide to leave the capillaries?
Oxygen and carbon dioxide get into and out of cells via diffusion. The gases diffuse across the thin capillary wall, and then diffuse across the cell membrane.
When leukocytes squeezes through capillary walls to enter tissue space outside the blood vessel it is called?
Diapedesis
Which term refers to the movement of white blood cells between endothelial cells lining capillary walls to enter the tissue?
Diapedesis
What is use of split ratio in gc analysis?
Split injection techniques are used in capillary gas chromatography. Capillary columns are easily overloaded, so smaller amounts have to be injected. Because of the split a smaller amount of analyte will enter the column
What causes sewage to enter estuaries?
To be skinny.
What are the substances that enter the capillary from surrounding cells?
They substances transported by blood.Gases,Nutrients,Water,Hormones,Urea,Ammonia,Other waste materials etc.
