organs

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what are the nine organs?
large intestine, small intestine, liver, kidneys, lungs, heart, stomach, brain, bladder
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name four systems?
circulatory system, respiratory system, nervous system, excretory system
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what are the four animal cells?
red blood cells, nerve cells, egg cell, sperm cell.
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how many types are tissues are there? what are they?
5, muscle, lining of the intestine, lining of the lungs, phloem, root hair tissue
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name a range of cells
ciliated epithelial cell, root hair cell, red blood cell, white blood cell, xylem cell, neurone, palisade cell, sperm, ovum
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blood is made up of what?
liquid plasma, red blood cells, white blood cells, platelets.
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what are the blood vessels in the human body?
veins, arteries and cappilaries.
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veins have...
thin walls and large lumens and valves.
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arteries have...
thick walls, small lumens and no valves.
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capillary walls are...
one cell thick and there are gaps inbetween the cells.
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when inhaling, what happens to the lungs?
volume of lungs increases, pressure decreases.
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when inhaling what happens to the diaphragm?
diaphragm contracts and flattens.
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when inhaling what happens to the outer intercostal muscles and ribs?
outer intercostal muscles contract, ribs pulled upwards & outwards.
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when exhaling what happens to the lungs?
volume of lungs decreases, pressure increases.
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when exhaling what happens to the diaphragm?
diaphragm relaxes into domed shape.
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when exhaling what happens to the outer intercostal muscles and ribs?
outer intercostal muscles relax, ribs pulled downwards & inwards.
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when inhaling, the air flows ____ the lungs.
into.
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when exhaling, the air flows ____ the lungs.
out.
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what do red blood cells do?
contain haemoglobin & transport oxygen around the body.
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what do white blood cells do?
defends body against disease. Release antibodies & antitoxins.
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what do platelets do?
clot the blood.
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what does the plasma do?
transports urea, digested soluble food, carbon dioxide, hormones and distributes heat around the body.
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Other cards in this set

Card 2

Front

name four systems?

Back

circulatory system, respiratory system, nervous system, excretory system

Card 3

Front

what are the four animal cells?

Back

Preview of the front of card 3

Card 4

Front

how many types are tissues are there? what are they?

Back

Preview of the front of card 4

Card 5

Front

name a range of cells

Back

Preview of the front of card 5
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