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The Circulatory system

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by

Harvey Buckle

on 19 May 2015

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Transcript of The Circulatory system

Aim
To know the structure and function of the circulatory system
To support understanding witha dissection
To answer related questions
Starter
Take your pulse!!!!!!!!!!!!!!!!!!
The circulatory system
Blood carries o_____n and nutrients to the body’s ____s, and waste products away from them. The circulatory system consists of:
Arteries

Blood in the arteries is under h___ pressure made by the h____. The arteries have:
• __ick outer walls
• thick layers of muscle and fibres.

Veins

The blood in veins have a lower _____ure than the blood in arteries. The veins have:
• __in walls
• thin layers of ____cle and fibres.
Unlike arteries, veins have one-way valves in them to keep the blood moving in the one ____tion.

• the h____t, which is the _____lar pump that keeps the blood moving
• the _______s, which carry blood away from the heart
• the ______s, which return blood to the heart
• the ca_____ies, which are tiny blood vessels that are close to the body’s cells.

The Circulatory system
Full transcript