1.6 Diffusion (GCSE Biology)

The following is a GCSE Biology test covering '1.6 Diffusion'

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What does an increase in temperature do to the rate of diffusion?

Diffusion requires what sort of energy from cells?

Urea moves from the liver into blood by process of:

What must exist for diffusion to happen efficiently?

Substances such as glucose and oxygen move into cells by:

Which cell adaptation speeds up diffusion of gases into and out of the blood?

What process allows oxygen to pass from alveoli into blood?

An increase in surface area for diffusion typically results in:

What affects the rate of diffusion most significantly?

What is the term for the difference in concentration between two areas?

Diffusion will continue as long as there is:

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