human transport system
DESCRIPTION
TRANSCRIPT
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Human Transport System
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Content:
• Blood:• Platelets• red blood cells• white blood cells
• Blood vessels:• arteries• veins• capillaries
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Blood
Platelets:• Small• Irregularly shaped• 2-3 mm in diameter
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Platelets also help clog blood…
What will happen if platelets do not clog our blood?
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If we DO NOT have platelets…
If we get a cut, we will keep bleeding and bleeding until we are out Of blood.
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Blood
Red Blood Cells:• Delivers oxygen(o2)• Quarter of cells in human body are
red blood cells
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Blood
• White Blood Cells:• Defends body against infectious
diseases• 7000 white blood cells per microlitre
of blood • Make up about 1% of blood in a
healthy adult body.
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Blood vessels
• Arteries:• Carries blood from the heart to the
lungs• Blood picks up oxygen at lungs• Blood rich in oxygen goes back to
heart• Aorta is the largest artery in the
human body
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Blood vessels
• Veins:• Transport blood from other parts of
body to heart
• Categorized into 4 parts(only going to talk about 2 of them):
• Pulmonary• Systemic
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Blood vessels
• Pulmonary veins:• Carries oxygenated blood for the
lungs to the left atrium of the heart
• Systemic veins:• Returns deoxygenated blood from the
rest of the body to the right atrium of the heart
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Blood vessels:
• Capillaries:• Transport blood from artery to veins.
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CREDITS
LeanneJun HongKhairilYing Lin