Diffusion and Osmosis

Front

What does 'high concentration area' mean?

Back

Tightly packed together.

Front

What does permeable mean?

Back

Things can pass through.

Front

Why would a person never have pure water put into their veins in a hospital?

Back

Because their cells would expand.

Front

Where is there a high concentration of BBQ smoke?

Back

In the BBQ pit.

Front

If a cell is 99% water and the surrounding is salty, where will the water go?

Back

Out of the cell.

Front

What is diffusion?

Back

The movement of particles from an area of high concentration to an area of low concentration.

Front

What is osmosis?

Back

The diffusion of water across a selectively permeable membrane.

Front

What is a selectively permeable membrane?

Back

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

Front

What happens to a cell in a hypertonic solution?

Back

The cell shrinks as water moves out.

Front

What happens to a cell in a hypotonic solution?

Back

The cell expands as water moves in.