Cell, tissue, organ, and organ system Flashcards

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1
Q

Cells

A

In biology, the smallest unit that can perform all life processes.

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2
Q

Stem cell

A

Unspecialized cells that are able to develop into many different types of cells.

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3
Q

Cell differentiation

A

The process where cells become different types of cells.

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4
Q

Tissue

A

A group of similar cells that perform a common function.

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5
Q

Organ

A

A collection of tissues that carry out a specialized function of the body.

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6
Q

Organ system

A

A group of organs that work together to perform body functions.

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7
Q

Organism

A

A living thing.

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8
Q

Homeostasis

A

Steady internal conditions when external conditions change.

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9
Q

Excretory system

A

Removes solid, liquid, and gas waste materials from the body.

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10
Q

Respiratory system

A

Exchanges gases between the body and the environment.

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11
Q

Circulatory system

A

It transport gases, nutrients, waste, and other substances throughout the body.

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12
Q

Lymphatic system

A

Removes excess fluid from around organs, produces white blood cells, and absorbs and transports fats.

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13
Q

Immunity

A

The resistance to specific pathogens or disease-causing agents.

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14
Q

Skeletal system

A

Protects internal organs, provides support, helps body move, and stores minerals.

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15
Q

Muscular system

A

Helps the body move.

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16
Q

Nervous system

A

A group of organs and specialized cells that detect process and respond to information.