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Circulatory System. If you were given the opportunity to illegally enhance your performance in sport, would you?. Do/Think Now. EPO – Produced by Kidneys to help increase the production of red blood cells Importance of red blood cells Transport oxygen to tissues
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If you were given the opportunity to illegally enhance your performance in sport, would you? Do/Think Now
EPO – Produced by Kidneys to help increase the production of red blood cells • Importance of red blood cells • Transport oxygen to tissues • Why is this important? How is this an unfair advantage? Lance Armstrong
Corticosteroids • Testosterone Lance Armstrong
Read Handout about Blood Pressure • Understand it’s importance Homework
Heart • Blood • Blood Vessels Circulatory System
What are the 3 types of blood vessels? • Arteries • Capillaries • Veins Blood Vessels
Oxygenated blood • Carries blood from heart to tissues • Thick walls to withstand pressure • Blood pressure • Will learn to take BP on Thursday’s class Arteries
Very small vessels that help oxygen into the tissues • Blood cells flow ‘single file’ • Very thin walls • What is the importance of thin walls? What happens to the oxygen? Capillaries
This blood is returned to the heart • Needs to be reoxygenated • Flows against gravity • Valves • Less pressure • How can this blood get back to the heart? Veins
Transports oxygen, nutrients and other substances throughout the body, and removes wastes from tissues Circulatory System
What is the importance of transporting oxygen? • Nutrients? • Removing waste? Circulatory System
Read Handout about Blood Pressure • Understand it’s importance Homework