Science GCSE, Biology

17 cards

Flash cards for science GCSE- Biology


 
  
Created May 21, 2010
by
charlottie24

 

 
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1
Healthy
 
Being free from infection with no coughs colds or diseases.
2
Fitness
 
How much physical activity you are capable of doing and how quickly your body recovers afterwards...
3
Capillaries
 
A very small blood vessel located in the tissue of the body that transports blood from arteries...
4
Veins
 
Blood vessles that carry blood towards the heart.
5
Artery
 
Blood vessels that carry blood away from the heart
6
Blood pressure
 
The measure of the force of blood per unit area as it flows through the arteries. It is measured...
7
Pulse
 

Each time the heart beats, the arteries pulse (throb). This can can be found in certain...

8
Protein
 

Protein molecules are long chains of amino acids.

(In a chemical change the protein...

9
Protease enzymes
 
They break down large insoluble proteins into small soluble amino acids.
10
Pathogens
 
Disease causing microorganisms. The different types are : Fungi, Viruses, Bacteria, Protozoa.
11
White blood cells
 
Cells of the imune system that defend the body of infectious disease and foreign materials.
12
The eye
 
A sense organ that focuses light onto light- sensitive receptor cells in the retina. These...
13
The lens
 
A clear flexible bag of fluid surrounded by circular ciliary muscles that change the shape...
14
Homeostasis
 
An automatic control system to maintain a constant internal enviroment to ensure that cells...
15
Hormones
 
Chemicals released by endocrine glands. They are released directly into the bloodstream and...
16
Sex chromosones
 
They are made of long lengths of DNA. They determin the sex of a child. All egg cells carry...
17
Genes
 
Genes are made up of DNA. It is found in the nucleus and carries in its sequence all the instructions...

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