OCR Gateway Biology B1

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What does the circulatory system do?
It carries oxygen and glucose in your blood to all of your body's cells so that energy can be released through aerobic respiration.
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What is systolic blood pressure?
The pressure in your arteries when your heart contracts.
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What is diastolic blood pressure?
The pressure in your arteries when your heart relaxes.
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How is a stroke coursed?
When a blood vessel bursts in the brain.
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When are heart attacks more likely?
When you have narrowed coronary arteries and thrombosis.
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What are fats made up of?
Fatty acids and glycerol.
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What are proteins made up of?
amino acids.
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Where are carbohydrates stored?
In the liver as glycogen.
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Where are proteins stored?
They aren't stored.
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What can obesity lead to?
Arthritis, heart disease, type 2 diabetes and breast cancer.
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Why is Kwashiorkor common in developing countries?
Because of over population and limited investment in agriculture.
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What are some examples of Infectious diseases?
Fungi(athletes foot), viruses(flu), bacteria(cholera) and protozoa(malaria)
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Name some defenses the body has aginst pathogens?
The skin acts as a barrier against microorganisms, the blood clots in wounds prevent microorganisms form entering the blood stream, the respiratory system is lined with cells that produce a liquid mucus that formsa m membrane to trap microorganisms.
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Other cards in this set

Card 2

Front

What is systolic blood pressure?

Back

The pressure in your arteries when your heart contracts.

Card 3

Front

What is diastolic blood pressure?

Back

Preview of the front of card 3

Card 4

Front

How is a stroke coursed?

Back

Preview of the front of card 4

Card 5

Front

When are heart attacks more likely?

Back

Preview of the front of card 5
View more cards

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