The Structure of the Heart

Katy96
Mind Map by , created almost 6 years ago

A Levels Biology (Biol 1) Mind Map on The Structure of the Heart, created by Katy96 on 01/21/2014.

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Katy96
Created by Katy96 almost 6 years ago
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The Structure of the Heart
1 Blood Vessels
1.1 Aorta
1.1.1 Connected to left ventricle
1.1.2 Carries oxygenated blood to the tissues
1.2 Vena Cava
1.2.1 Connected to right atrium
1.2.2 Brings deoxygenated blood to the heart from the tissue
1.3 Pulmonary Artery
1.3.1 Connected to right ventricle
1.3.2 Carries deoxygenated blood to the lungs
1.4 Pulmonary Vein
1.4.1 Connected to left atrium
1.4.2 Brings oxygenated blood to the heart from the lungs
2 Chambers
2.1 Atria
2.1.1 Thin-walled and elastic
2.1.2 Stretches as it is filled with blood
2.1.3 Only has to pump blood a short distance to the ventricles
2.2 Ventricles
2.2.1 Thick, muscular wall
2.2.2 Pumps blood to the lungs or the tissues in the body
2.2.2.1 Right ventricle pumps blood to the lungs
2.2.2.1.1 Has a thinner muscular wall than the left ventricle.
2.2.2.1.2 Only pumps blood a short distance
2.2.2.2 Left ventricle pumps blood to the tissues in the body
2.2.2.2.1 Has a thicker muscular wall than the right ventricle
2.2.2.2.2 Needs to create enough pressure to pump blood to the extremities of the body
2.3 Both atria contract together and ventricles contract together
3 Valves
3.1 Atrioventricular valves
3.1.1 Left
3.1.1.1 Bicuspid valves
3.1.1.2 Located between left atrium and left ventricle
3.1.2 Right
3.1.2.1 Tricuspid valves
3.1.2.2 Located between right atrium and right ventricle
3.2 Semi-lunar valves
3.2.1 Left
3.2.1.1 Located between left ventricle and aorta
3.2.2 Right
3.2.2.1 Located between right ventricle and pulmonary artery

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