Outcome Two: Cells And Systems Flashcards

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1
Q

What are unicellular organisms?

A

Organisms made up of a single cell.

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2
Q

What are multicellular organisms?

A

Organisms made up of two or more cells.

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3
Q

What substances move in and out of cells?

A

Water, gases and food.

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4
Q

What is diffusion?

A

The movement of particles of a substance from an area of high concentration to an area of low concentration.

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5
Q

What is a selectively permeable membrane?

A

A membrane that only allows certain particles to pass through but not all.

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6
Q

What is osmosis?

A

Diffusion of water through a selectively permeable membrane.

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7
Q

What is connective tissue?

A

Supports and connects different parts of the body; blood, fat, cartilage, bones and tendons.

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8
Q

What is epithelial tissue?

A

Covers the body surface and outside organ surfaces; skin is a example.

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9
Q

What is nervous tissue?

A

Makes up brain, spin cord and nerves.

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10
Q

What is muscle tissue?

A

Assist in moving an organism as well as moving material through the organism.

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