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Biology ­ Unit 1

Key Words

Magnification ­ the degree to which the size of the image is larger than the object itself

Resolution ­ the degree to which it is possible to distinguish between two objects that are very close together

Micrometre ­ equal to one millionth (10^-6) of…

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Inspiration (or inhalation) and Expiration (or exhalation) are the terms used to describe breathing in and out.

Transport ­ the movement of oxygen, nutrients, hormones and water and heat around the body.

Heart ­ a muscular pump that creates pressure to propel blood through the arteries and around the body.…


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