GCSE AQA Biology Organisation

Front

What is a Double Circulatory System?

Back

A system where blood moves through the heart twice to be pressurized twice, allowing for efficient oxygen delivery and carbon dioxide removal.

Front

What does Lipase break down?

Back

Lipase breaks down fat molecules.

Front

Which part of the digestive system has a low pH to assist enzymes?

Back

The stomach has a low pH to help enzymes with low optimum pH levels.

Front

How thick are capillaries?

Back

Capillaries are roughly one cell thick.

Front

Where is bile made and where is it released from?

Back

Bile is made in the liver and released from the gall bladder.

Front

What is the function of the heart in the circulatory system?

Back

The heart pumps blood throughout the body, supplying oxygen and nutrients while removing waste.

Front

What are arteries?

Back

Arteries are blood vessels that carry oxygenated blood away from the heart to the body.

Front

What are veins?

Back

Veins are blood vessels that carry deoxygenated blood back to the heart.

Front

What is the role of the small intestine in digestion?

Back

The small intestine is where most digestion and absorption of nutrients occurs.

Front

What is the function of the liver in digestion?

Back

The liver produces bile, which helps in the digestion and absorption of fats.