body systems vocab Flashcards

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1
Q

cells

A

the smallest unit in biology that can perform all life processes

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2
Q

stem cells

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

transports 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 the 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 organ and specialized cells that detect process and respond to information

17
Q

digestive system

A

a group of organs working together to convert food into energy and basic nutrients to feed the entire body