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Osmosis is the movement of water molecules from a region of high concentration to a region of low concentration through a selectively permeable membrane. If there is a high solute concentration outside the cell, water will leave body cells by osmosis - leading to plasmolysis (cell shrinking). If there is a high water concentration it will enter the cell by osmosis and the cell will burst.

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What is hemo-concentration?

Hemoconcentration occurs when there is an increase in the concentration of blood cells as the result of the loss of plasma from the bloodstream. A decrease in volume of plasma and an increase in red blood circulating.


If body cells lack ldl receptors the plasma concentration of ldl molecules?

increases and the blood cholesterol concentration increases.


Why use plasma concentration rather than blood concentration in monitoring drug concentration in the body?

Most compounds are given as their concentration in blood plasma as well as with the conditions of collection. It is a form of standardization used in order to compare results across laboratories and over time. As blood volume and percent hematocrit (a measure of red blood cells) are fairly constant relative to body mass using the concentration in plasma ensures consistency in measurement. Another factor is that red blood cells are not equilibrated with the concentration of all compounds outside the cell equally. Transportation of compounds across the cell membrane is regulated.


Is potassium concentrated mroe in red blood cells?

The concentration of potassium within red blood cells is much higher than in the surrounding plasma or serum


What traps blood cells and plasma?

Fibrin traps blood cells and plasma.


What is in the blood?

Blood consists of plasma, red blood cells, and white blood cells. The red are for transporting oxygen, and the white are for killing things that should not be in the blood. The plasma is 55 % of the blood. The plasma is there for moving things that are not gonna be used anymore, like C02 urin, and milkacid.


What is the four components of blood?

The four components of blood are red blood cells, white blood cells, platelets, and plasma. Red blood cells carry oxygen to the body's tissues, white blood cells help fight infections, platelets aid in blood clotting, and plasma is the liquid portion of blood that carries nutrients and hormones.


Blood is mostly made up of?

white blood cells, red blood cells, platelets and plasma


What are the 4 things that make up the blood?

Red blood cells, white blood cells, platelets and plasma. :P


What is haemolysing?

An example would be when red blood cells burst because they have been placed in a solution that has a lower concentration of salts than blood plasma.


What is the liquid in which blood cells travel?

It's called blood. Blood is made of red and white blood cells and plasma.


What Has the same concentration as red blood cells?

Plasma, the liquid component of blood, has the same concentration of solutes as red blood cells. Both share similar osmotic pressure, which is crucial for maintaining fluid balance in the bloodstream. Additionally, isotonic solutions, such as normal saline (0.9% sodium chloride), are designed to match the concentration of red blood cells, preventing any net movement of water into or out of the cells.