Answers>Biology>GCSE>Article

Why is the human heart system described as double circulatory?

The human heart system is described as double circulatory becasue is has two seperate circuits. The first carries blood between the heart and the lungs and is known as the pulmonary circuit and the second carries blood between the heart and the other organs and is known as the systematic circuit.

SE

Related Biology GCSE answers

All answers ▸

What features differ between animal and plant cells?

Gemma W. avatarAnswered by Gemma W.

What is a reflex arc?

Sundas B. avatarAnswered by Sundas B.

Explain how changes to the guard cells on the warm day help the plant to survive

Ella S. avatarAnswered by Ella S.

What are the key differences between plant and animal cells?

Jake C. avatarAnswered by Jake C.