Osmosis and diffusion

Front

What is osmosis?

Back

Osmosis is the diffusion of water across a selectively permeable membrane.

Front

What is the role of the cell membrane?

Back

The cell membrane regulates the exchange of materials between the cell and its environment.

Front

What is plasma?

Back

Plasma is the liquid component of blood that surrounds red blood cells, made up of water, salts, and sugars.

Front

What substances need to enter a cell?

Back

Cells need to take in food, water, and oxygen.

Front

What is the function of red blood cells?

Back

Red blood cells transport oxygen from the lungs to the body's tissues and return carbon dioxide from the tissues back to the lungs.

Front

What is diffusion?

Back

Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration.

Front

What is a selectively permeable membrane?

Back

A selectively permeable membrane allows certain substances to pass through while blocking others.

Front

What happens to a cell in a hypertonic solution?

Back

In a hypertonic solution, water moves out of the cell, causing it to shrink.

Front

What happens to a cell in a hypotonic solution?

Back

In a hypotonic solution, water moves into the cell, causing it to swell and potentially burst.

Front

What is equilibrium in the context of diffusion?

Back

Equilibrium is the state where the concentration of particles is equal throughout a space.