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What are the major functions of the cardiovascular system?

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Presentation on theme: "What are the major functions of the cardiovascular system?"— Presentation transcript:

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2 What are the major functions of the cardiovascular system?

3 Functions of the Cardiovascular system Transports nutrients and oxygen to the cells and carries waste products away from cells. Consists of blood, heart and blood vessels.

4 The Heart Hollow, muscular organ. When heart beats, pushes blood through the blood vessels. When heart relaxes it fills with blood. When heart muscle contracts it pumps blood out.

5 Chambers of the Heart Complete this chart using pg 164 Questions Upper Chambers Lower Chambers What are these Chambers called? How many are there? What is the function of these chambers?

6 Two Loop System Pulmonary Circulation: blood travels from the heart to the lungs and then back to heart. Systemic Circulation: blood is pumped from the heart throughout the body and returns to the heart.

7 Two Loop System

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9 Arteries 1.Thick walled structures 2.Carries blood away from heart

10 Capillaries & Veins 1. Materials are exchanged between the blood and the body’s cells. 2. Capillary walls only 1 cell thick. 3. After blood moves through capillaries, it enters the veins. Veins carry blood back to the heart.

11 Draw this diagram


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