IGCSE Biology CIE 9. Transport in Animals
CONTENTS
9.1 Circulation
9.1.1 Circulation in Animals
9.1.2 Double Circulatory System
9.2 Heart
9.2.1 The Heart
9.2.2 Blood Through the Heart附近的景点
坝上旅游
9.3 Heart Dia & Exerci
9.3.1 The Effect of Exerci
9.3.2 CHD
勿扰模式怎么设置
9.3.3 Preventing & Treating CHD
9.4 Blood Vesls
9.4.1 Blood Vesls
9.4.2 Structure & Function of Blood Vesls
9.4.3 Circulation Around the Body
9.5 The Lymphatic System
9.5.1 The Lymph
9.6 Blood
9.6.1 Blood Components
逐梦9.6.2 Blood Clotting YOUR NOTES
The Circulatory System
The circulatory system is a system of blood vesls with a pump and valves to ensure one-way flow of blood YOUR NOTES
Circulation in Different Animals
Fish have a two-chambered heart and a single circulation
一直的意思
This means that for every one circuit of the body, the blood pass through the heart once
工匠精神观后感YOUR NOTES
别样的青春YOUR NOTES
The single circulatory system in fish
Mammals have a four-chambered heart and a double circulation
素食图片This means that for every one circuit of the body, the blood pass through the heart twice
The right side of the heart receives deoxygenated blood from the body and pumps it to the lungs (the pulmonary circulation)
The left side of the heart receives oxygenated blood from the lungs and pumps it to the body (the systemic circulation)
YOUR NOTES
