Biology Topic Practice

The Liver and Metabolism

The liver is the body's "chemical factory", performing hundreds of metabolic functions every day.

How does the liver help with the breakdown of proteins?

What is The Liver and Metabolism?

"The liver is a vital metabolic organ that processes nutrients, detoxifies chemicals, and manages energy stores."

Question 1

Which statement accurately describes metabolism liver role at a GCSE level?

Question 2

Where is lactic acid transported after exercise so it can be converted back into glucose?

Question 3

What happens when excess proteins are broken down in metabolism?

Question 4

GCSE Biology: Where is lactic acid transported after exercise so it can be converted back into glucose?

Liver Functions

Converts lactic acid back into glucose after exercise.

Breaks down excess amino acids into urea (deamination).

Produces bile to help with fat digestion.

Exam Tip

The liver also detoxifies substances like alcohol and stores glucose as glycogen.

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