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Learn about the alternation of contractions and relaxation of the heart, as well as the factors affecting heart rate and risk factors for coronary heart disease.

Explore the structure and function of the circulatory system, including the cardiac cycle, heart rate regulation, and coronary heart disease. This summary covers key concepts such as single and double circulatory systems, the role of the heart, and factors influencing heart health, essential for IGCSE biology.

Understanding Circulatory Systems

Revision note

Naomi

Circulatory System 

The circulatory system for biology paper 1 (foundation) AQA

Explore the structure and function of the heart and circulatory system. This summary covers the four chambers of the heart, blood flow pathways, and the roles of arteries and veins in circulation. Ideal for AQA Biology Paper 1 (Foundation) preparation.

Heart and Circulation Overview

Jaden Taylor

Science

The circulatory system -B1

Useful visuals on how blood travels through the heart, use them as posters or just notes. This helped me get 9s

Explore the intricate structure and function of the heart and circulatory system. This summary covers key concepts such as blood flow, heart anatomy, and the roles of major arteries and veins. Ideal for IGCSE Biology students aiming for top grades. Includes visuals for better understanding.

Heart & Circulatory Flow

Presentation

Aliya Tahreem

The heart + circulatory system IGCSE BIOLOGY

Explore the anatomy and physiology of the heart in this detailed overview. Learn about the four chambers, blood flow pathways, and the role of pacemaker cells in maintaining heart rhythm. Ideal for students studying the circulatory system and mammalian heart functions.

Heart Structure & Function

Leia 🫧

Circulatory system: the heart 

biology notes for the heart, gcse science

Explore the structure and function of the mammalian heart, including the cardiac cycle, blood flow, and heart sounds. This summary covers key concepts such as the four chambers, valves, and blood pressure measurements, essential for GCSE biology students.

Mammalian Heart Overview

iqra

Notes on the Heart 

GCSE AQA Specific. The Heart - AQA Biology. Please do not repost this without my permission! Much love <3

Explore the structure and function of the human heart in this detailed overview. Understand the double circulatory system, the flow of oxygenated and deoxygenated blood, and the significance of heart valves and chambers. Ideal for GCSE AQA Biology students, this summary covers key concepts essential for mastering heart physiology.

The heart

6 best study notes in The heart