Muscles and Blood.

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Presentation transcript:

Muscles and Blood

Learning objectives Discuss the action of muscles in the heart Explain the meaning of a double circulation Comment on the structure of blood

The heart Muscular wall Four chambers Left and right side Left side has a thicker muscular wall Exploring Science p42 questions 1-3

Double circulation Double circulation Pulmonary circulation to the lungs Systemic circulation to the rest of the body Exploring Science p43 questions 4-6

The blood Red blood cells carry oxygen Plasma transports carbon dioxide White blood cells fight disease Platelets clot the blood Exploring Science p43 questions 4-9 The blood

The blood Red blood cell Plasma White blood cell Platelet

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