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18 terms

science Quiz #1

STUDY
PLAY
living things
eat, die, born, breathe, use energy, reproduce, produces waste, responds to environment
non-living things
don't eat, don't die, don't move or grow, weren't born, don't breathe, don't reproduce
homeostasis
An organisms natural reaction to the external environment to help it maintain stability
stress
The reaction of your body and mind to threatening, challenging, or disturbing events (scientific definition)
ways with dealing with stress
to accept the problem and deal with it, physical activities (helps take mind off the stress), talking about it with friends or family
long term stress
You cannot fight the stressor, and you can't run away from it either. When stressful situations do not go away, your body can't restore homeostasis. If you don't deal with it, you might feel tired, irritable, and have trouble getting along with others. You also have better chances of getting sick.
Systems
Circulatory, Digestive, Endocrine, Excretory, Immune, Muscular, Nervous, reproductive, respiratory, skeletal, Skin
Circulatory
carries needed materials to the body cells, carries waste away from body, help fights diseases
Digestive
Takes food into the body, brakes food down, absorbs the digested food
Endocrine
control many body processes-intake of sugar by cells-by means of chemicals
Excretory
removes waste
Immune
fights diseases
Muscular
enables the body to move, moves food through the digestive system, keeps the heart beating
Nervous
detects and interprets info from the environment outside the body and within the body, controls most body functions
Reproductive
...
Respiratory
...
Skeletal
...
Skin
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