More cards in this set

Card 6

Front

A gland that secretes hormones directly into the blood. They have no ducts.

Back

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Card 7

Front

The removal of metabolic waste from the body.

Back

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Card 8

Front

Waste substances that may be toxic or are produces in excess by the reactions inside cells.

Back

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Card 9

Front

Organisms that ingest and digest complex organic molecules releasing the potential energy stored in them.

Back

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Card 10

Front

Organisms that use light energy or chemical energy and inorganic molecules (carbon dioxide and water) to synthesise complex organic molecules.

Back

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Card 11

Front

Molecules that absorb light energy. Each absorbs a range of wavelengths in the visable region and has it's own distict peak of absorbtion. Other wavelengths are reflected.

Back

Preview of the front of card 11