Stem cells divide by mitosis.
Scientists can use stem cells from an embryo to create heart cells in a laboratory.

Which organ system contains heart cells?

Answer options:

Circulatory system

Digestive system

Nervous system

Respiratory system

How to approach this question

Think about the function of the heart. What is its main job in the body? Which organ system is responsible for this job?

Full Answer

A.Circulatory system✓ Correct

Circulatory system

The body is organised into cells, tissues, organs, and organ systems. Heart cells (cardiac muscle cells) make up the heart tissue. The heart is an organ. The heart works with blood vessels (arteries, veins, capillaries) and blood to form the circulatory system. The function of the circulatory system is to transport oxygen, nutrients, hormones, and waste products around the body.

Common mistakes

✗ Confusing the different organ systems and their main organs.

Question 02.5 All questions Question 02.7

Practice the full AQA GCSE Biology Foundation Tier Paper 1

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