2.3.5

The Heart - Structure

Test yourself

Blood Flow in the Heart

Blood entering the heart through the right atrium is deoxygenated and comes from the body. Blood entering the heart through the left atrium is oxygenated and comes from the lungs.

Jump to other topics

1Cell Biology

2Organisation

2.1Principles of Organisation

2.2Enzymes

2.3Circulatory System

2.4Non-Communicable Diseases

2.5Plant Tissues, Organs & Systems

3Infection & Response

4Bioenergetics

5Homeostasis & Response

6Inheritance, Variation & Evolution

7Ecology

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