CIRCULATORY AND RESPIRATORY SYSTEMS. 37-1 The Circulatory System.
Respiratory and Circulatory Systems
Transcript of Respiratory and Circulatory Systems
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Respiratory and CirculatorySystems
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Respiratory System
• Takes in oxygen from the air that you breathe.
• Lungs are the main structures in this system.
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Respiratory System
• Air enters your body through nose or mouth, moves down your throat & passes through the trachea or windpipe, then to your lungs.
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Respiratory System
• Oxygen is taken into your blood and carbon dioxide leaves your blood.
• Your diaphragm lies below the lungs. The diaphragm & muscles around it tighten and relax to make you breathe in and out.
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Respiratory System
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Circulatory System• Carries oxygen, food, &
waste throughout the body
• Made up of the heart, blood vessels, and blood
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Circulatory System
• Heart is the center of this system, it pumps blood through blood vessels called arteries.
• Heart is also called the cardiovascular muscle.
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Circulatory System
• Blood moves from arteries into capillaries.
• In the capillaries oxygen & food move from the blood to the body’s cells
• Blood then moves through veins back to the heart.
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Circulatory System
• The circulatory system also works with the respiratory and digestive systems.
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Circulatory System• Respiratory system gives oxygen & the circulatory
system takes that oxygen to other cells.
• Digestive system breaks down food & the circulatory system carries the nutrients to cells in the body.
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