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The Structure of the Cardiovascular System

The Structure of the Cardiovascular System. General introduction. The Cardiovascular System. Also known as The Circulatory System. Made up of The Heart The Blood Vessels The Blood. The Heart. The heart is a muscular pump with thick walls. It is made up of a special muscle Myocardium

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The Structure of the Cardiovascular System

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  1. The Structure of the Cardiovascular System General introduction

  2. The Cardiovascular System • Also known as The Circulatory System • Made up of • The Heart • The Blood Vessels • The Blood

  3. The Heart • The heart is a muscular pump with thick walls • It is made up of a special muscle • Myocardium • It is divided up into 2 halves • Each half contracts rhythmically. • The right side sends deoxygenatedblood to the lungs to get Oxygen. • The left side sends oxygenated blood to the body.

  4. The Blood Vessels • The body has a range of blood vessels • Arteries • Arterioles • Capilleries • Venules • Veins • They carry the blood around your body to the tissues and back to the heart

  5. The Blood • Blood carries the different materials around your body • Blood cells make up about 45% of the blood volume. • The other 55% is plasma • Carries nutrients, hormones and all other essentials.

  6. The Cardiovascular System • Delivers • Oxygen to the body tissues from the lungs • Nutrients to the liver from the intestines • Removes • Carbon Dioxide from the cells to the lungs, to be excreted • Waste products from the liver to the kidneys. • Transports white blood cells, antibodies and hormones to different parts of the body.

  7. Task… Look on the VLE and upload the document that needs general questions answered regarding the Circulatory System… • It will help you with regard to completing the assessment tasks and will form part of your notes. • There are some helpful web addresses at the bottom of the VLE page that will help you 

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