Biology Module B7-recall facts

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What is the internal skeleton needed for?
Support and movement
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What type of tissue connects muscle to bone?
Tendons
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What type of tissue connects bone to bone?
Ligaments
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What type of tissue prevents friction between bones?
Cartilage
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What does BMI stand for?
Body Mass Index
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What is the fluid called that bathes your cells?
Tissue fluid
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What molecule binds to oxygen in red blood cells?
Haemoglobin
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Why are red blood cells biconcave shaped?
For increased surface area
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Name four substances exchanged between cells and tissue fluid.
Carbon dioxide, amino acids, hormones and oxygen.
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Which blood vessels supplies the heart muscle with oxygen?
Coronary artery
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Which part of the brain detects the temperature of the blood?
Hypothalamus
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What do blood vessels in your skin do when you are too hot?
Vasodilation
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what do blood vessels in your skin do when you are too cold?
Vasoconstriction
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What hormone in the body increases the sugar levels?
Glucagon
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What hormone in the body reduces the sugar levels?
Insulin
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How can type 2 diabetes be controlled?
A strict diet and regular exercise.
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Overuse of fertiliser can result in...
eutrophication.
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Use of pesticides can result in..
bioaccumulation.
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In a perfect closed loop system...
output=input
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Name some examples of products that can be produced by genetically modified bacteria
Antibiotics, single cell protein-Quorn (meat substitute for vegetarians), cheese, washing powder, fuel and insulin
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Why can't most human cells produce insulin?
Because some genes are not active in different human cells. (turned on or off)
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How does an increase in body temperature effect cell activity?
Increases speed of reaction, increases energy of collisions between molecules and number of molecules in the cell stays the same.
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A type of cell division that produces identical copies of the cell.
Mitosis
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type of cell division that produces a sex cell with half the number of chromosomes?
Meiosis
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Another name for a sex cell.
Gamete
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Card 2

Front

What type of tissue connects muscle to bone?

Back

Tendons

Card 3

Front

What type of tissue connects bone to bone?

Back

Preview of the front of card 3

Card 4

Front

What type of tissue prevents friction between bones?

Back

Preview of the front of card 4

Card 5

Front

What does BMI stand for?

Back

Preview of the front of card 5
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